Observed topology
AS2518 BIGLOBE BIGLOBE Inc.
Transit
Upstream networks
Networks observed carrying traffic for AS2518: the AS immediately before it in a routing path. Ranked by how many paths showed the relationship, which reflects how widely it is used, not how much traffic crosses it.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 1,035 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 294 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 211 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 136 |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 | Unclassified | IPv4 | 65 |
| AS2914 | NTT America, Inc. | Transit | IPv4 | 63 |
| AS2516 | KDDI CORPORATION | Mobile | IPv4 IPv6 | 44 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 35 |
| AS2497 | Internet Initiative Japan Inc. | Unclassified | IPv4 | 33 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 33 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 33 |
| AS20562 | Broadband Hosting B.V. | Hosting | IPv4 | 32 |
Inferred from path position, not from any declaration by either party. A network appearing here is carrying these routes; whether that is a paid transit arrangement, a backup, or something else is not something routing data can tell you.
Transit
Downstream networks
Networks for which AS2518 was observed as the last hop before the origin, meaning it appears to provide them transit.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS10010 | TOKAI Communications Corporation | Residential | IPv4 | 2,001 |
| AS18068 | Dream Wave Shizuoka Co. Ltd. | Unclassified | IPv4 IPv6 | 685 |
| AS4711 | INTEC Inc. | Unclassified | IPv4 IPv6 | 514 |
| AS23629 | Obihiro City Cable Co.,Ltd. | Residential | IPv4 | 481 |
| AS9354 | Community Network Center Inc. | Residential | IPv4 | 362 |
| AS17961 | mitene internet co., ltd. | Unclassified | IPv4 IPv6 | 325 |
| AS7511 | SYNAPSE Co.,Ltd. | Residential | IPv4 IPv6 | 251 |
| AS9351 | ZTV CO.,LTD | Residential | IPv4 IPv6 | 214 |
| AS9621 | Okinawa Telecommunication Network Co.,Inc | Residential | IPv4 IPv6 | 213 |
| AS24257 | Japan Internet Xing Co., Ltd. | Unclassified | IPv4 IPv6 | 213 |
| AS23661 | CLARA, Inc. | Hosting | IPv4 IPv6 | 208 |
| AS7524 | ITEC HANKYU HANSHIN CO.,LTD. | Residential | IPv4 | 198 |
| AS38651 | MIXI, Inc. | Hosting | IPv4 IPv6 | 190 |
| AS59105 | Home NOC Operators Group | Unclassified | IPv4 IPv6 | 170 |
| AS7679 | QTnet,Inc. | Residential | IPv4 | 167 |
| AS55376 | KCV Communications Co. Ltd. | Residential | IPv4 | 156 |
| AS59097 | Okinawa Cross Head Co., Ltd. | Residential | IPv4 | 141 |
| AS131910 | SORACOM. INC. | Unclassified | IPv4 | 126 |
| AS18260 | EHIME CATV CO.,LTD. | Unclassified | IPv4 IPv6 | 121 |
| AS18070 | Global Network Core Co.,Ltd. | Residential | IPv4 IPv6 | 116 |
| AS215724 | Edgevana, Inc. | Hosting | IPv4 IPv6 | 97 |
| AS173 | Nippon Telegraph and Telephone Corporation | Unclassified | IPv4 | 86 |
| AS10000 | Nagasaki Cable Media Inc. | Residential | IPv4 | 80 |
| AS23783 | Cable Networks Akita Co.,ltd. | Residential | IPv4 | 76 |
| AS146979 | University of Nagasaki | Education | IPv4 IPv6 | 69 |
| AS2515 | Japan Network Information Center | Unclassified | IPv4 IPv6 | 59 |
| AS131912 | Cybozu,Inc. | Hosting | IPv4 IPv6 | 55 |
| AS59123 | Kakaku.com, Inc. | Hosting | IPv4 IPv6 | 50 |
| AS18121 | Ishikawa Computer Center Co.,LTD. | Residential | IPv4 IPv6 | 48 |
| AS63805 | Ryobi Systems Co., Ltd. | Unclassified | IPv4 | 40 |
| AS24255 | Koshinomiyako Network, Inc. | Residential | IPv4 IPv6 | 38 |
| AS24253 | J-Stream Inc. | Hosting | IPv4 IPv6 | 31 |
| AS17685 | SQUARE ENIX CO., LTD. | Unclassified | IPv4 | 24 |
| AS131942 | Gurunavi, Inc. | Hosting | IPv4 | 22 |
| AS18278 | Cable TV Corporation | Unclassified | IPv4 | 9 |
| AS7500 | WIDE Project | Hosting | IPv4 | 1 |
Adjacency
Adjacent networks
Every AS seen directly next to AS2518 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS174 | Cogent Communications, LLC | Transit | IPv4 IPv6 | 4,543 |
| AS2516 | KDDI CORPORATION | Mobile | IPv4 IPv6 | 3,798 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 2,760 |
| AS59105 | Home NOC Operators Group | Unclassified | IPv4 IPv6 | 2,582 |
| AS10010 | TOKAI Communications Corporation | Residential | IPv4 | 2,001 |
| AS9354 | Community Network Center Inc. | Residential | IPv4 | 1,528 |
| AS2914 | NTT America, Inc. | Transit | IPv4 IPv6 | 1,466 |
| AS18068 | Dream Wave Shizuoka Co. Ltd. | Unclassified | IPv4 IPv6 | 734 |
| AS4711 | INTEC Inc. | Unclassified | IPv4 IPv6 | 514 |
| AS2515 | Japan Network Information Center | Unclassified | IPv4 IPv6 | 489 |
| AS23629 | Obihiro City Cable Co.,Ltd. | Residential | IPv4 | 481 |
| AS12552 | GlobalConnect AB | Unclassified | IPv4 | 456 |
| AS9002 | RETN Limited | Unclassified | IPv4 IPv6 | 424 |
| AS6939 | Hurricane Electric LLC | Transit | IPv4 IPv6 | 380 |
| AS17961 | mitene internet co., ltd. | Unclassified | IPv4 IPv6 | 372 |
| AS9351 | ZTV CO.,LTD | Residential | IPv4 IPv6 | 351 |
| AS173 | Nippon Telegraph and Telephone Corporation | Unclassified | IPv4 | 301 |
| AS24257 | Japan Internet Xing Co., Ltd. | Unclassified | IPv4 IPv6 | 284 |
| AS18070 | Global Network Core Co.,Ltd. | Residential | IPv4 IPv6 | 262 |
| AS7511 | SYNAPSE Co.,Ltd. | Residential | IPv4 IPv6 | 251 |
| AS7679 | QTnet,Inc. | Residential | IPv4 | 234 |
| AS20485 | Joint Stock Company TransTeleCom | Unclassified | IPv4 | 232 |
| AS9621 | Okinawa Telecommunication Network Co.,Inc | Residential | IPv4 IPv6 | 213 |
| AS23661 | CLARA, Inc. | Hosting | IPv4 IPv6 | 208 |
| AS7524 | ITEC HANKYU HANSHIN CO.,LTD. | Residential | IPv4 | 198 |
| AS4635 | Hong Kong Internet Exchange--Route Server 1 | Unclassified | IPv4 IPv6 | 197 |
| AS38651 | MIXI, Inc. | Hosting | IPv4 IPv6 | 190 |
| AS55376 | KCV Communications Co. Ltd. | Residential | IPv4 | 156 |
| AS59097 | Okinawa Cross Head Co., Ltd. | Residential | IPv4 | 141 |
| AS18260 | EHIME CATV CO.,LTD. | Unclassified | IPv4 IPv6 | 132 |
| AS131910 | SORACOM. INC. | Unclassified | IPv4 | 126 |
| AS17685 | SQUARE ENIX CO., LTD. | Unclassified | IPv4 | 120 |
| AS23783 | Cable Networks Akita Co.,ltd. | Residential | IPv4 | 102 |
| AS215724 | Edgevana, Inc. | Hosting | IPv4 IPv6 | 97 |
| AS33891 | Core-Backbone GmbH | Hosting | IPv4 IPv6 | 82 |
| AS10000 | Nagasaki Cable Media Inc. | Residential | IPv4 | 80 |
| AS20562 | Broadband Hosting B.V. | Hosting | IPv4 IPv6 | 79 |
| AS146979 | University of Nagasaki | Education | IPv4 IPv6 | 69 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 60 |
| AS131912 | Cybozu,Inc. | Hosting | IPv4 IPv6 | 55 |
| AS59123 | Kakaku.com, Inc. | Hosting | IPv4 IPv6 | 50 |
| AS18121 | Ishikawa Computer Center Co.,LTD. | Residential | IPv4 IPv6 | 48 |
| AS2497 | Internet Initiative Japan Inc. | Unclassified | IPv4 | 46 |
| AS63805 | Ryobi Systems Co., Ltd. | Unclassified | IPv4 | 40 |
| AS24255 | Koshinomiyako Network, Inc. | Residential | IPv4 IPv6 | 38 |
| AS24253 | J-Stream Inc. | Hosting | IPv4 IPv6 | 31 |
| AS131942 | Gurunavi, Inc. | Hosting | IPv4 | 22 |
| AS18278 | Cable TV Corporation | Unclassified | IPv4 | 10 |
| AS12389 | PJSC Rostelecom | Residential | IPv4 | 2 |
| AS7500 | WIDE Project | Hosting | IPv4 | 1 |
Adjacency is not the same as peering. Being next to each other in a path covers paid transit, settlement-free peering and customer connections alike, and routing data cannot distinguish them. Treat this as "these networks exchange routes", nothing more specific.
Interconnection
Exchange presence
Internet exchanges where Packet Clearing House has a port recorded for AS2518, largest fabric first. An exchange is shared switching where networks interconnect directly rather than paying a transit provider to carry traffic between them, so turning up at one is a deliberate choice about how this network wants to be reached. Each name opens that exchange's own page, with its peering LANs and every other network recorded on it. Recorded at 14 exchanges across 6 countries and 3 regions.
| Exchange | Location | Their address | Member ports |
|---|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.194.154 | 1,073 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.214.84 | 894 |
| Equinix Internet Exchange Singapore | Singapore, Singapore | 27.111.228.180 | 490 |
| BroadBand Internet eXchange Tokyo | Tokyo, Japan | 101.203.88.47 | 359 |
| Coresite - Any2 West | Los Angeles, United States | 206.72.210.154 | 344 |
| Any2 California | Los Angeles, United States | 206.72.210.154 | 321 |
| Hong Kong Internet Exchange | Hong Kong, China | 123.255.90.157 | 307 |
| JPIX Tokyo | Tokyo, Japan | 210.171.224.181 | 259 |
| BroadBand Internet eXchange Singapore | Singapore, Singapore | 103.231.152.25 | 151 |
| BroadBand Internet eXchange Osaka | Osaka, Japan | 218.100.9.44 | 132 |
| Equinix Internet Exchange Tokyo | Tokyo, Japan | 2001:de8:5::2518:4 | 124 |
| JPIX Osaka | Osaka, Japan | 103.246.232.181 | 114 |
| Equinix Internet Exchange Osaka | Osaka, Japan | 203.190.227.9 | 28 |
| Network Service Provider IXP (Distributed IX in Edo) | Tokyo, Japan | 202.249.2.98 | 28 |
Unlike the tables above, this is recorded rather than inferred. An address on a peering LAN is at that exchange by definition. Two carve-outs all the same. Member ports counts every participant at the exchange, not this network's ports, so read it as a size proxy. And an absent exchange means PCH has no record of it, not that the network is not there.
Provenance
Where this comes from
Derived from routing tables collected at 2026-08-08 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.02M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.
Cross-check against RIPEstat or BGP.tools, which observe from a different and larger set of vantage points.
Exchange presence comes from a separate dataset: the directory collected 2026-08-08 by Packet Clearing House (https://www.pch.net/ixp/data), covering 1,327 exchanges and 93,137 recorded member ports, licensed CC BY-NC-SA 3.0.
PeeringDB is the better-known directory and is deliberately not the source here: its acceptable-use policy forbids the bulk storage this needs. The two answer different questions anyway. PeeringDB reports what an operator declares about itself; this reports what PCH has recorded.