asn.dev

Observed topology

AS703 UUNET - Verizon Business

Unclassified ARIN

Upstreams 22 carry this network
Downstreams 76 this network carries
Adjacent (IPv4) 104
Adjacent (IPv6) 17
Upstream graph Who carries AS703, and who carries them, drawn as a map up to the transit-free core. 15 exchanges Where AS703 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 22

Networks observed carrying traffic for AS703: 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.

ASNetworkTypeFamiliesPaths seen
AS701Verizon BusinessResidentialIPv4 IPv6853
AS174Cogent Communications, LLCTransitIPv4 IPv6684
AS6939Hurricane Electric LLCTransitIPv4 IPv6460
AS9498BHARTI Airtel Ltd.MobileIPv4174
AS5511Orange S.A.TransitIPv4 IPv6137
AS3491PCCW Global (HK) Ltd.TransitIPv4 IPv682
AS2914NTT America, Inc.TransitIPv474
AS18041Taiwan Digital Streaming Co.HostingIPv4 IPv649
AS3356Level 3 Parent, LLCTransitIPv4 IPv647
AS2497Internet Initiative Japan Inc.UnclassifiedIPv445

All 22 upstreams →

Transit

Downstream networks

All 76

Networks for which AS703 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS9555Verizon Australia PTY LimitedUnclassifiedIPv4 IPv61,936
AS9466UUNET Japan LimitedUnclassifiedIPv4 IPv61,239
AS7722TELPACIFIC P/LUnclassifiedIPv4532
AS36224HCL AMERICA INCUnclassifiedIPv4531
AS31872Vantive HealthUnclassifiedIPv4413
AS6256Verizon BusinessUnclassifiedIPv4358
AS395753KKRUnclassifiedIPv4348
AS3738State Street Bank and Trust CompanyUnclassifiedIPv4344
AS397074MarshallsUnclassifiedIPv4318
AS45903CMC Telecom Infrastructure CompanyResidentialIPv4313

All 76 downstreams →

Adjacency

Adjacent networks

All 105

Every AS seen directly next to AS703 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS701Verizon BusinessResidentialIPv4 IPv64,544
AS174Cogent Communications, LLCTransitIPv4 IPv64,166
AS6939Hurricane Electric LLCTransitIPv4 IPv62,419
AS9555Verizon Australia PTY LimitedUnclassifiedIPv4 IPv61,936
AS9466UUNET Japan LimitedUnclassifiedIPv4 IPv61,239
AS1321Verizon BusinessUnclassifiedIPv4 IPv6991
AS36224HCL AMERICA INCUnclassifiedIPv4735
AS5511Orange S.A.TransitIPv4 IPv6672
AS2914NTT America, Inc.TransitIPv4608
AS7722TELPACIFIC P/LUnclassifiedIPv4532

All 105 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-04 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.33M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.

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. 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.

Cross-check against RIPEstat or BGP.tools, which observe from a different and larger set of vantage points.