All ASNs

Autonomous System details for AS3257

AS3257

GTT Communications Inc. • gtt.net

AS3257 — GTT Communications Inc.

AS Name

GTT-BACKBONE

Country

United States (US)

Website

gtt.net

Number of IPv4

8,978,560

Number of IPv6

7.22 × 10³⁰

ASN type

ISP

Status

Allocated

Registry

RIPE

Allocated

September 20, 2002

Last updated

July 28, 2026

IP Ranges

1,341 IPv4 prefixes, 52 IPv6 prefixes

Prefix	Company	Number of IPs
2.27.196.0/22	Private Customer	1,024
2.56.236.0/22	TerraTransit AG	1,024
2.58.75.0/24	UAB code200	256
5.83.96.0/21	GTT - EMEA Ltd.	2,048
5.178.16.0/21	GTT Communications Netherlands B.V.	2,048
5.180.4.0/22	SC ITNS.NET SRL	1,024
5.252.77.0/24	Private Customer	256
5.253.202.0/24	Private Customer	256
8.19.112.0/24	One Source Networks Inc	256
8.19.203.0/24	Level 3 Parent, LLC	256
8.31.122.0/24	Level 3 Parent, LLC	256
8.35.16.0/21	Level 3 Parent, LLC	2,048
8.35.24.0/21	Level 3 Parent, LLC	2,048
8.35.30.0/24	Level 3 Parent, LLC	256
8.37.186.0/24	Level 3 Parent, LLC	256
23.27.8.0/24	EGN Dedicated Servers - Asia Optimized	256
23.184.144.0/24	CloudTechLabs LLC	256
23.230.1.0/24	MPP Group	256
23.230.64.0/24	EGIHosting	256
23.230.121.0/24	EGIHosting	256
23.230.186.0/24	SSHourPPTP Networks	256
23.230.234.0/24	Paceweb Proxy	256
23.230.235.0/24	EGIHosting	256
23.231.111.0/24	Arisk Communications inc.	256
23.231.115.0/24	NeoFiber Communications inc.	256
23.231.120.0/24	NeoFiber Communications inc.	256
23.234.128.0/22	Digital Landscape, Inc.	1,024
23.234.132.0/22	Digital Landscape, Inc.	1,024
23.234.136.0/22	Digital Landscape, Inc.	1,024
23.234.140.0/22	Digital Landscape, Inc.	1,024
23.234.156.0/22	Digital Landscape, Inc.	1,024
23.252.77.0/24	SUBRIGO CORPORATION	256
23.252.78.0/24	SUBRIGO CORPORATION	256
37.1.152.0/21	GTT - EMEA Ltd.	2,048
37.252.30.0/24	Private Customer	256
38.72.160.0/19	GEUS	8,192
38.188.202.0/24	GEUS	256
38.244.113.0/24	SAH BITE LTD	256
38.244.114.0/24	SAH BITE LTD	256
38.244.115.0/24	SAH BITE LTD	256
38.244.121.0/24	SAH BITE LTD	256
38.244.126.0/24	SAH BITE LTD	256
45.8.164.0/22	TerraTransit AG	1,024
45.38.206.0/24	Subnet Digital LLC	256
45.38.234.0/24	Topia VPN	256
45.39.66.0/24	Translations Beijing Services	256
45.39.77.0/24	Haigui Internet	256
45.39.95.0/24	SSL Private Proxy	256
45.39.161.0/24	Subnet Digital LLC	256
45.39.174.0/24	Creedo Solutions	256
45.41.12.0/22	WhiteLabel IT Solutions Corp	1,024
45.41.60.0/22	GLOBALHOSTINGSOLUTIONS INC	1,024
45.41.132.0/22	Web2Objects LLC	1,024
45.41.136.0/22	Web2Objects LLC	1,024
45.41.144.0/22	Web2Objects LLC	1,024
45.41.164.0/22	Web2Objects LLC	1,024
45.41.174.0/23	Web2Objects LLC	512
45.41.180.0/23	Web2Objects LLC	512
45.56.128.0/22	Web2Objects LLC	1,024
45.56.136.0/23	Web2Objects LLC	512
45.56.140.0/22	Web2Objects LLC	1,024
45.56.146.0/24	Web2Objects LLC	256
45.56.148.0/22	Web2Objects LLC	1,024
45.56.152.0/21	Web2Objects LLC	2,048
45.56.160.0/23	Web2Objects LLC	512
45.56.168.0/22	Web2Objects LLC	1,024
45.56.176.0/22	Web2Objects LLC	1,024
45.56.180.0/24	Web2Objects LLC	256
45.56.182.0/23	Web2Objects LLC	512
45.61.64.0/22	Web2Objects LLC	1,024
45.61.102.0/23	Web2Objects LLC	512
45.61.115.0/24	Web2Objects LLC	256
45.86.16.0/22	SC ITNS.NET SRL	1,024
45.93.47.0/24	Private Customer	256
45.95.23.0/24	Private Customer	256
45.136.88.0/24	R. STAHL Services GmbH	256
45.137.30.0/24	Internet Utilities Europe and Asia Limited	256
45.152.20.0/23	Thilo Mohri	512
45.170.12.0/24	Katharine Barton	256
45.190.64.0/22	Pamela Smith	1,024
45.199.149.0/24	Cloud Innovation Ltd	256
45.238.156.0/22	friendlywireless ISP	1,024
46.19.50.0/24	Aircom Service srl	256
46.19.51.0/24	Aircom Service srl	256
46.19.52.0/24	Aircom Service srl	256
46.19.53.0/24	Aircom Service srl	256
46.19.54.0/24	Aircom Service srl	256
46.19.55.0/24	Aircom Service srl	256
46.33.64.0/19	GTT Communications Inc.	8,192
46.33.76.0/23	Akamai Technologies	512
46.34.0.0/19	GTT - EMEA Ltd.	8,192
46.202.54.0/24	Private Customer	256
46.202.56.0/24	Private Customer	256
50.2.45.0/24	Arisk Communications inc.	256
50.2.170.0/24	Arisk Communications inc.	256
52.119.96.0/24	Bayview	256
62.3.61.0/24	DEMENIN B.V.	256
62.41.0.0/20	GTT Communications Inc.	4,096
62.41.16.0/21	Akamai International - site IPT-NL-AKAMAI-008	2,048
62.41.24.0/22	Equidity Technologies LLC	1,024
2001:590::/32	GTT Americas, LLC	7.92 × 10²⁸
2001:590:3400::/38	GTT Americas, LLC	1.24 × 10²⁷
2001:668::/29	GTT Communications Inc.	6.34 × 10²⁹
2001:668::/32	GTT Communications Inc.	7.92 × 10²⁸
2001:67c:1514::/48	EasyWAN GmbH	1.21 × 10²⁴
2001:680::/32	GTT Communications Inc.	7.92 × 10²⁸
2001:6f8::/32	GTT Communications Inc.	7.92 × 10²⁸
2001:6f8:200::/39	Easynet Belgium Allocation	6.19 × 10²⁶
2001:6f8:1800::/39	Easynet Group Nederland B.V.	6.19 × 10²⁶
2001:aa0::/32	GTT Communications Inc.	7.92 × 10²⁸
2001:aa0:7000::/36	GTT Communications Inc.	4.95 × 10²⁷
2001:1478::/32	GTT Communications Inc.	7.92 × 10²⁸
2001:4890::/32	PacketExchange, Inc	7.92 × 10²⁸
2400:f780::/32	Hibernia Atlantic Communication Pvt Ltd	7.92 × 10²⁸
2405:5e00::/32	GTT Communications HK Limited	7.92 × 10²⁸
2602:ffb7:590::/46	Web2Objects LLC	4.84 × 10²⁴
2604:cf80::/32	GTT Americas, LLC	7.92 × 10²⁸
2605:d480::/32	GTT Americas, LLC	7.92 × 10²⁸
2606:6200::/32	Accelerated Connections Inc.	7.92 × 10²⁸
2607:f588::/32	GTT Americas, LLC	7.92 × 10²⁸
2610:38::/32	Accelerated Connections Inc.	7.92 × 10²⁸
2620:135:7003::/48	Tait Towers Manufacturing LLC	1.21 × 10²⁴
2a00:16c8::/32	GTT Communications Inc.	7.92 × 10²⁸
2a00:16c8:10c::/48	Freeola Ltd FRLA-IP-01/FRLA-IP-02	1.21 × 10²⁴
2a00:1750::/32	GTT Communications Inc.	7.92 × 10²⁸
2a00:43c0::/32	GTT Communications Inc.	7.92 × 10²⁸
2a00:7580:16::/48	ICC IPv6 block advertised in Rome	1.21 × 10²⁴
2a00:8d00::/32	GTT Communications Inc.	7.92 × 10²⁸
2a00:bb40::/32	GTT Communications Inc.	7.92 × 10²⁸
2a02:9e8::/32	GTT - EMEA Ltd.	7.92 × 10²⁸
2a02:d28::/32	GTT Communications Inc.	7.92 × 10²⁸
2a02:6280::/32	GTT Communications Inc.	7.92 × 10²⁸
2a04:e00:2::/48	WAN6 LA2	1.21 × 10²⁴
2a04:1120::/30	GTT Communications Inc.	3.17 × 10²⁹
2a04:6640::/29	GTT Communications Inc.	6.34 × 10²⁹
2a04:a3c7::/32	Wookra, LLC	7.92 × 10²⁸
2a05:18c0::/29	BLUSKY soc. coop.	6.34 × 10²⁹
2a05:a882:de10::/48	Henkel AG & Co. KGaA	1.21 × 10²⁴
2a06:1180:12bb::/48	ByteZero	1.21 × 10²⁴
2a0a:2d04:9825::/48	ByteZero	1.21 × 10²⁴
2a0c:7881:98dd::/48	ByteZero	1.21 × 10²⁴
2a0c:8640::/30	E.T.I. S.R.L.	3.17 × 10²⁹
2a0e:15c0:1213::/48	ByteZero	1.21 × 10²⁴
2a0f:7d00:32ba::/48	ByteZero	1.21 × 10²⁴
2a0f:b242::/32	GoCodeIT Inc	7.92 × 10²⁸
2a0f:b243::/32	GoCodeIT Inc	7.92 × 10²⁸
2a0f:b247::/32	XENYTH CUSTS	7.92 × 10²⁸
2a13:fc00::/29	RapidSeedbox Ltd	6.34 × 10²⁹
2a14:4340::/29	LonConnect Ltd	6.34 × 10²⁹
2a14:4b00::/29	3xK Tech GmbH	6.34 × 10²⁹
2a14:5200::/29	3xK Tech GmbH	6.34 × 10²⁹
2a14:d281::/32	GoCodeIT Inc	7.92 × 10²⁸

This table only shows the first 100 of the set of IPv4 and IPv6 prefixes. All data is available via our IP data API.

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS3257

36 peers

AS174 AS209 AS286 AS701 AS702 AS1239 AS1273 AS1299 AS1341 AS2497 AS2687 AS2828 AS2914 AS42 AS2686 AS3303 AS3320 AS3356 AS3491 AS5511 AS6453 AS6461 AS6762 AS6830 AS7018 AS12956 AS17676 AS19527 AS4637 AS4766 AS4837 AS5400 AS7922 AS15169 AS58057 AS200736

AS3257 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS3257

0 upstreams

AS3257 has no upstreams recorded.

An upstream (or transit provider) is another AS that AS3257 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS3257

1,808 downstreams

AS12 AS57 AS62 AS97 AS249 AS260 AS288 AS376 AS559 AS577 AS812 AS819 AS835 AS845 AS852 AS855 AS906 AS939 AS963 AS979 AS983 AS998 AS1017 AS1065 AS1100 AS1103 AS1213 AS1219 AS1258 AS1406 AS1426 AS1445 AS1605 AS1678 AS1764 AS1820 AS1968 AS2002 AS2147 AS2288 AS2381 AS2484 AS2516 AS2572 AS2609 AS2642 AS2721 AS2734 AS3170 AS3206 AS3255 AS3264 AS3292 AS3327 AS3399 AS3584 AS3653 AS3676 AS3737 AS3842 AS3856 AS3917 AS3920 AS4058 AS4134 AS4150 AS4181 AS4213 AS4226 AS4229 AS4230 AS4373 AS4385 AS4540 AS4589 AS4849 AS4889 AS5008 AS5009 AS5065 AS5069 AS5091 AS5377 AS5394 AS5405 AS5409 AS5463 AS5580 AS5606 AS5607 AS5645 AS5697 AS5715 AS5760 AS5769 AS5777 AS6059 AS6072 AS6079 AS6142 AS6169 AS6181 AS6204 AS6205 AS6208 AS6220 AS6267 AS6304 AS6307 AS6327 AS6379 AS6391 AS6493 AS6508 AS6566 AS6597 AS6621 AS6653 AS6667 AS6717 AS6738 AS6752 AS6759 AS6768 AS6810 AS6866 AS6894 AS6951 AS7029 AS7153 AS7155 AS7195 AS7203 AS7219 AS7270 AS7296 AS7303 AS7342 AS7384 AS7459 AS7474 AS7488 AS7500 AS7713 AS7786 AS7794 AS7795 AS7843 AS7979 AS7992 AS8018 AS8057 AS8084 AS8092 AS8131 AS8151 AS8190 AS8245 AS8247 AS8262 AS8301 AS8308 AS8368 AS8399 AS8426 AS8452 AS8487 AS8523 AS8529 AS8551 AS8582 AS8612 AS8657 AS8781 AS8784 AS8816 AS8849 AS8860 AS8895 AS8903 AS8918 AS8928 AS8966 AS9002 AS9009 AS9038 AS9050 AS9121 AS9142 AS9186 AS9229 AS9269 AS9304 AS9498 AS9658 AS9744 AS9829 AS10098 AS10099 AS10122 AS10325 AS10411 AS10490 AS10674 AS10747 AS10780 AS10806 AS10886 AS10962 AS10982 AS11019 AS11049 AS11059 AS11071 AS11232 AS11251 AS11260 AS11286 AS11290 AS11300 AS11320 AS11323 AS11403 AS11404 AS11414 AS11448 AS11600 AS11608 AS11647 AS11648 AS11664 AS11796 AS11807 AS11852 AS11856 AS11866 AS11889 AS11924 AS11941 AS11966 AS11979 AS12041 AS12083 AS12105 AS12129 AS12133 AS12252 AS12287 AS12355 AS12360 AS12362 AS12389 AS12400 AS12409 AS12468 AS12470 AS12480 AS12546 AS12581 AS12586 AS12601 AS12625 AS12676 AS12678 AS12684 AS12693 AS12703 AS12732 AS12735 AS12754 AS12775 AS12779 AS12801 AS12897 AS12905 AS12963 AS12993 AS13000 AS13039 AS13126 AS13150 AS13194 AS13213 AS13237 AS13249 AS13250 AS13280 AS13287 AS13331 AS13335 AS13349 AS13360 AS13428 AS13431 AS13444 AS13445 AS13446 AS13472 AS13490 AS13491 AS13511 AS13517 AS13524 AS13536 AS13556 AS13576 AS13628 AS13649 AS13737 AS13738 AS13768 AS13876 AS13919 AS13926 AS13971 AS13984 AS14010 AS14014 AS14016 AS14080 AS14103 AS14115 AS14237 AS14277 AS14291 AS14335 AS14360 AS14361 AS14371 AS14395 AS14398 AS14544 AS14585 AS14586 AS14593 AS14616 AS14717 AS14746 AS14753 AS14821 AS14987 AS15042 AS15128 AS15146 AS15238 AS15266 AS15277 AS15315 AS15317 AS15346 AS15359 AS15389 AS15562 AS15695 AS15703 AS15735 AS15830 AS15919 AS15924 AS15943 AS15954 AS15966 AS15967 AS15989 AS15994 AS16168 AS16189 AS16236 AS16260 AS16360 AS16364 AS16406 AS16504 AS16509 AS16524 AS16552 AS16599 AS16611 AS16633 AS16645 AS16647 AS16650 AS16724 AS16733 AS16737 AS16740 AS16751 AS16761 AS16823 AS16839 AS16863 AS16876 AS16904 AS16940 AS17012 AS17035 AS17060 AS17095 AS17130 AS17149 AS17151 AS17240 AS17378 AS17466 AS17476 AS17497 AS17814 AS18119 AS18214 AS18381 AS18450 AS18451 AS18465 AS18474 AS18540 AS18608 AS18622 AS18712 AS18723 AS18734 AS18779 AS18880 AS18882 AS18929 AS18978 AS19031 AS19165 AS19231 AS19254 AS19255 AS19305 AS19318 AS19320 AS19380 AS19398 AS19531 AS19551 AS19566 AS19637 AS19740 AS19752 AS19773 AS19844 AS19905 AS19911 AS19936 AS19950 AS19955 AS19966 AS19969 AS19982 AS20054 AS20055 AS20077 AS20111 AS20115 AS20144 AS20148 AS20216 AS20249 AS20278 AS20284 AS20335 AS20340 AS20355 AS20384 AS20385 AS20473 AS20645 AS20681 AS20723 AS20847 AS20912 AS20924 AS20928 AS20940 AS21013 AS21034 AS21057 AS21094 AS21188 AS21235 AS21245 AS21263 AS21409 AS21433 AS21488 AS21497 AS21509 AS21534 AS21559 AS21564 AS21570 AS21589 AS21646 AS21700 AS21719 AS21723 AS21734 AS21743 AS21766 AS21777 AS21804 AS21854 AS21859 AS21886 AS21899 AS22075 AS22081 AS22135 AS22191 AS22208 AS22244 AS22317 AS22332 AS22404 AS22423 AS22512 AS22549 AS22611 AS22612 AS22616 AS22645 AS22652 AS22657 AS22742 AS22768 AS22773 AS22792 AS22838 AS22900 AS22911 AS22964 AS22987 AS22995 AS23028 AS23029 AS23081 AS23114 AS23161 AS23247 AS23311 AS23314 AS23316 AS23344 AS23352 AS23367 AS23390 AS23393 AS23420 AS23442 AS23470 AS23487 AS23511 AS23528 AS23576 AS23764 AS23947 AS24413 AS24730 AS24753 AS24776 AS24817 AS24824 AS24875 AS24940 AS24958 AS24961 AS24993 AS25030 AS25056 AS25089 AS25091 AS25111 AS25148 AS25194 AS25220 AS25268 AS25369 AS25376 AS25441 AS25575 AS25577 AS25593 AS25653 AS25657 AS25697 AS25738 AS25773 AS25818 AS25841 AS25864 AS25875 AS25896 AS25909 AS25934 AS25940 AS25973 AS26042 AS26063 AS26076 AS26097 AS26141 AS26156 AS26237 AS26239 AS26258 AS26260 AS26282 AS26324 AS26342 AS26356 AS26378 AS26380 AS26462 AS26512 AS26523 AS26538 AS26546 AS26554 AS26577 AS26582 AS26637 AS26649 AS26651 AS26666 AS26669 AS26673 AS26744 AS26794 AS26827 AS26845 AS26848 AS26878 AS26914 AS26931 AS27177 AS27226 AS27263 AS27298 AS27299 AS27364 AS27381 AS27405 AS27508 AS27563 AS27589 AS27592 AS27596 AS27647 AS28398 AS28458 AS28469 AS28729 AS28753 AS28757 AS28773 AS28780 AS28792 AS28889 AS28917 AS28928 AS28929 AS28971 AS29019 AS29049 AS29119 AS29140 AS29169 AS29208 AS29278 AS29286 AS29405 AS29430 AS29446 AS29449 AS29457 AS29500 AS29551 AS29617 AS29646 AS29655 AS29680 AS29752 AS29757 AS29788 AS29802 AS29823 AS29866 AS29909 AS29967 AS29987 AS30012 AS30029 AS30036 AS30041 AS30056 AS30058 AS30081 AS30103 AS30148 AS30188 AS30197 AS30215 AS30238 AS30264 AS30366 AS30371 AS30399 AS30403 AS30404 AS30437 AS30456 AS30475 AS30633 AS30742 AS30818 AS30823 AS30844 AS30937 AS30967 AS30990 AS31029 AS31059 AS31080 AS31084 AS31151 AS31202 AS31263 AS31287 AS31298 AS31317 AS31404 AS31424 AS31428 AS31570 AS31641 AS31712 AS31727 AS31743 AS31898 AS31942 AS31983 AS32045 AS32097 AS32098 AS32136 AS32155 AS32181 AS32217 AS32222 AS32244 AS32277 AS32281 AS32286 AS32354 AS32391 AS32425 AS32432 AS32440 AS32478 AS32484 AS32528 AS32537 AS32575 AS32578 AS32590 AS32596 AS32613 AS32662 AS32671 AS32751 AS32798 AS32806 AS32879 AS32886 AS32899 AS32934 AS32969 AS32987 AS33007 AS33016 AS33058 AS33154 AS33164 AS33185 AS33200 AS33280 AS33288 AS33323 AS33368 AS33371 AS33445 AS33469 AS33574 AS33576 AS33619 AS33675 AS33724 AS33802 AS33831 AS33835 AS33891 AS33923 AS33986 AS34119 AS34164 AS34178 AS34191 AS34197 AS34279 AS34386 AS34393 AS34409 AS34428 AS34510 AS34523 AS34549 AS34589 AS34697 AS34715 AS34737 AS34764 AS34863 AS34907 AS34922 AS34966 AS34968 AS34973 AS34984 AS35030 AS35056 AS35066 AS35070 AS35133 AS35180 AS35200 AS35228 AS35266 AS35289 AS35297 AS35313 AS35315 AS35325 AS35370 AS35421 AS35461 AS35491 AS35574 AS35614 AS35625 AS35695 AS35699 AS35825 AS35872 AS35908 AS35928 AS35994 AS36007 AS36014 AS36073 AS36103 AS36182 AS36184 AS36218 AS36224 AS36236 AS36242 AS36306 AS36327 AS36352 AS36394 AS36454 AS36459 AS36473 AS36483 AS36493 AS36555 AS36591 AS36671 AS36692 AS36734 AS36884 AS36944 AS37100 AS37271 AS37468 AS37645 AS37721 AS38195 AS38880 AS38930 AS38983 AS39063 AS39116 AS39120 AS39175 AS39216 AS39251 AS39271 AS39392 AS39421 AS39498 AS39506 AS39513 AS39526 AS39545 AS39602 AS39636 AS39686 AS39729 AS39829 AS39852 AS39855 AS39878 AS39884 AS39964 AS39979 AS40028 AS40029 AS40065 AS40089 AS40123 AS40165 AS40342 AS40401 AS40448 AS40467 AS40490 AS40528 AS40578 AS40581 AS40584 AS40638 AS40676 AS40702 AS40705 AS40769 AS40788 AS40841 AS40858 AS40885 AS40934 AS40988 AS40994 AS41033 AS41135 AS41160 AS41243 AS41319 AS41327 AS41354 AS41364 AS41436 AS41495 AS41564 AS41570 AS41685 AS41887 AS41935 AS41960 AS42004 AS42128 AS42177 AS42184 AS42266 AS42293 AS42295 AS42344 AS42392 AS42416 AS42459 AS42567 AS42612 AS42633 AS42689 AS42804 AS42830 AS42831 AS42836 AS42845 AS42912 AS42944 AS43054 AS43338 AS43372 AS43406 AS43515 AS43519 AS43520 AS43534 AS43545 AS43599 AS43641 AS43668 AS43735 AS43843 AS43872 AS43885 AS43984 AS44066 AS44108 AS44124 AS44212 AS44226 AS44302 AS44356 AS44384 AS44411 AS44426 AS44431 AS44444 AS44454 AS44486 AS44512 AS44521 AS44522 AS44608 AS44776 AS44806 AS44901 AS44926 AS44946 AS44965 AS44976 AS45014 AS45187 AS45217 AS45474 AS46130 AS46160 AS46340 AS46364 AS46379 AS46443 AS46450 AS46467 AS46475 AS46484 AS46558 AS46562 AS46635 AS46664 AS46670 AS46687 AS46844 AS46852 AS46889 AS46922 AS46994 AS47167 AS47169 AS47195 AS47232 AS47381 AS47443 AS47494 AS47532 AS47549 AS47720 AS47754 AS47777 AS47836 AS47866 AS47874 AS47887 AS47969 AS47973 AS48075 AS48137 AS48145 AS48237 AS48266 AS48305 AS48339 AS48345 AS48348 AS48374 AS48447 AS48448 AS48452 AS48544 AS48635 AS48638 AS48744 AS48804 AS48832 AS48846 AS48950 AS48967 AS49088 AS49127 AS49296 AS49425 AS49567 AS49581 AS49600 AS49607 AS49666 AS49683 AS49709 AS49744 AS49761 AS49765 AS49808 AS49838 AS49870 AS49915 AS49920 AS49958 AS50020 AS50049 AS50073 AS50121 AS50124 AS50131 AS50173 AS50183 AS50185 AS50202 AS50245 AS50263 AS50287 AS50292 AS50300 AS50314 AS50326 AS50331 AS50360 AS50429 AS50607 AS50629 AS50835 AS50862 AS50889 AS50965 AS51060 AS51068 AS51088 AS51154 AS51248 AS51294 AS51303 AS51366 AS51407 AS51510 AS51553 AS51580 AS51606 AS51677 AS51713 AS51752 AS51823 AS51890 AS51934 AS51944 AS51945 AS52000 AS52025 AS52030 AS52041 AS52106 AS52263 AS52320 AS52347 AS52393 AS52485 AS53264 AS53316 AS53321 AS53356 AS53398 AS53427 AS53435 AS53483 AS53487 AS53502 AS53560 AS53597 AS53620 AS53699 AS53726 AS53736 AS53755 AS53764 AS53766 AS53828 AS53845 AS53850 AS53856 AS53902 AS53914 AS53939 AS53973 AS54036 AS54092 AS54103 AS54107 AS54113 AS54119 AS54128 AS54197 AS54201 AS54235 AS54247 AS54280 AS54312 AS54455 AS54483 AS54489 AS54512 AS54527 AS54531 AS54535 AS54624 AS54641 AS54706 AS54740 AS54778 AS54913 AS54934 AS54994 AS55081 AS55099 AS55145 AS55195 AS55229 AS55232 AS55256 AS55286 AS55410 AS55720 AS55943 AS56077 AS56286 AS56474 AS56515 AS56540 AS56550 AS56595 AS56630 AS56647 AS56683 AS56837 AS56958 AS56971 AS57043 AS57087 AS57121 AS57286 AS57332 AS57344 AS57478 AS57607 AS57624 AS57717 AS57723 AS57750 AS57795 AS57974 AS57987 AS58007 AS58065 AS58082 AS58144 AS58212 AS58246 AS58307 AS58321 AS58389 AS58453 AS58511 AS58807 AS59371 AS59432 AS59437 AS59582 AS59611 AS59655 AS59816 AS59827 AS59933 AS60015 AS60038 AS60068 AS60092 AS60191 AS60193 AS60219 AS60339 AS60362 AS60439 AS60447 AS60458 AS60486 AS60497 AS60503 AS60624 AS60636 AS60669 AS60670 AS60706 AS60733 AS60736 AS60781 AS60798 AS60822 AS60825 AS60893 AS61018 AS61029 AS61049 AS61215 AS61266 AS61273 AS61317 AS61323 AS61429 AS61461 AS61573 AS62000 AS62001 AS62021 AS62044 AS62068 AS62081 AS62163 AS62167 AS62168 AS62217 AS62240 AS62244 AS62403 AS62523 AS62563 AS62664 AS62698 AS62713 AS62728 AS62738 AS62795 AS62799 AS62804 AS62834 AS62872 AS62874 AS62905 AS62917 AS62955 AS63023 AS63066 AS63086 AS63122 AS63152 AS63182 AS63199 AS63213 AS63287 AS63300 AS63311 AS63351 AS63356 AS63365 AS63383 AS63399 AS63402 AS63410 AS63428 AS63430 AS63927 AS63942 AS64022 AS64096 AS64261 AS64294 AS64426 AS131189 AS131274 AS131314 AS132139 AS134795 AS134844 AS135372 AS136557 AS137409 AS137753 AS138005 AS138177 AS138915 AS139057 AS139341 AS141039 AS141754 AS142578 AS147049 AS152724 AS153371 AS153773 AS196755 AS196881 AS196956 AS196975 AS196983 AS196987 AS197075 AS197226 AS197572 AS197573 AS197667 AS197669 AS197712 AS197883 AS198040 AS198045 AS198172 AS198206 AS198211 AS198216 AS198260 AS198277 AS198279 AS198301 AS198312 AS198330 AS198386 AS198452 AS198605 AS198651 AS198726 AS198761 AS198847 AS198890 AS198935 AS199047 AS199081 AS199124 AS199163 AS199190 AS199250 AS199335 AS199348 AS199410 AS199483 AS199524 AS199775 AS199790 AS199880 AS199912 AS199995 AS200031 AS200089 AS200147 AS200178 AS200271 AS200585 AS200604 AS200612 AS200653 AS200713 AS200845 AS200884 AS200904 AS201099 AS201101 AS201126 AS201188 AS201213 AS201222 AS201375 AS201408 AS201434 AS201478 AS201565 AS201710 AS201731 AS201747 AS201887 AS201942 AS201947 AS202149 AS202190 AS202282 AS202321 AS202596 AS202623 AS202713 AS202753 AS203011 AS203042 AS203055 AS203182 AS203315 AS203346 AS203410 AS203446 AS203483 AS203556 AS203608 AS203689 AS203724 AS203949 AS203955 AS204126 AS204188 AS204264 AS204373 AS204384 AS204453 AS204536 AS204548 AS204563 AS204577 AS204777 AS204800 AS204805 AS204807 AS204890 AS205142 AS205263 AS205272 AS205394 AS205476 AS205543 AS205544 AS205697 AS205809 AS205943 AS205975 AS206048 AS206067 AS206075 AS206076 AS206082 AS206119 AS206264 AS206372 AS206375 AS206399 AS206459 AS206470 AS206539 AS206600 AS206614 AS206662 AS206793 AS206870 AS206892 AS206984 AS207044 AS207054 AS207063 AS207137 AS207310 AS207543 AS207685 AS207686 AS207747 AS207775 AS207856 AS207937 AS207995 AS208098 AS208270 AS208374 AS208416 AS208597 AS208625 AS208693 AS208877 AS208959 AS209162 AS209181 AS209282 AS209311 AS209341 AS209451 AS209532 AS209811 AS209875 AS210040 AS210211 AS210321 AS210329 AS210657 AS210893 AS211029 AS211043 AS211126 AS211156 AS211463 AS211526 AS211766 AS211826 AS211912 AS212027 AS212035 AS212055 AS212175 AS212286 AS212646 AS212660 AS212683 AS212755 AS213039 AS213130 AS213287 AS213373 AS213394 AS213438 AS213462 AS213753 AS213791 AS214155 AS214273 AS214329 AS214505 AS214668 AS215248 AS215266 AS215373 AS215508 AS215635 AS215682 AS215959 AS216030 AS216096 AS216180 AS216265 AS262287 AS262916 AS263179 AS263735 AS263740 AS263744 AS263821 AS263829 AS264409 AS264850 AS265556 AS265645 AS265680 AS270735 AS272122 AS393226 AS393234 AS393246 AS393260 AS393303 AS393316 AS393439 AS393478 AS393658 AS393681 AS393725 AS393767 AS393791 AS393826 AS393845 AS393886 AS393895 AS393938 AS394015 AS394122 AS394177 AS394186 AS394218 AS394354 AS394380 AS394381 AS394409 AS394430 AS394479 AS394600 AS394620 AS394625 AS394646 AS394682 AS394684 AS394814 AS394933 AS394973 AS394977 AS395019 AS395029 AS395247 AS395309 AS395354 AS395359 AS395369 AS395487 AS395598 AS395662 AS395717 AS395753 AS395839 AS395849 AS395856 AS395927 AS395931 AS395954 AS396026 AS396188 AS396190 AS396205 AS396229 AS396356 AS396515 AS396871 AS396922 AS396948 AS396949 AS396970 AS396984 AS396986 AS396998 AS397025 AS397027 AS397048 AS397174 AS397183 AS397289 AS397301 AS397304 AS397391 AS397473 AS397493 AS397641 AS397642 AS397686 AS397689 AS397727 AS397751 AS397760 AS397815 AS397942 AS398013 AS398044 AS398198 AS398240 AS398324 AS398424 AS398465 AS398563 AS398577 AS398642 AS398698 AS398712 AS398721 AS398764 AS398808 AS398809 AS398833 AS398885 AS398913 AS398969 AS399024 AS399065 AS399143 AS399226 AS399289 AS399301 AS399424 AS399458 AS399486 AS399539 AS399558 AS399647 AS399678 AS399692 AS399712 AS399759 AS399768 AS399776 AS399808 AS399809 AS399810 AS399814 AS399816 AS399920 AS399998 AS400110 AS400146 AS400200 AS400202 AS400282 AS400304 AS400309 AS400339 AS400444 AS400475 AS400511 AS400514 AS400541 AS400554 AS400662 AS400687 AS400692 AS400835 AS400963 AS401166 AS401322 AS401410 AS401509 AS401648 AS401737 AS401909 AS401988 AS402156

AS3257 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.