asn.dev

Observed topology

AS45820 TTSL-MEISISP - Tata Teleservices ISP AS

Residential APNIC

Upstreams 4 carry this network
Downstreams 203 this network carries
Adjacent (IPv4) 207
Adjacent (IPv6) 46
Upstream graph Who carries AS45820, and who carries them, drawn as a map up to the transit-free core. 4 exchanges Where AS45820 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS45820: 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
AS4755TATA Communications formerly VSNL is Leading ISPHostingIPv4 IPv660,500
AS9498BHARTI Airtel Ltd.MobileIPv4 IPv64,898
AS17762Tata Teleservices Maharashtra LtdUnclassifiedIPv4117
AS35280F5 Networks SARLHostingIPv4 IPv63

Transit

Downstream networks

All 203

Networks for which AS45820 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS133275Gigantic Infotel Pvt LtdResidentialIPv44,422
AS17625BlazeNet's NetworkHostingIPv4 IPv63,985
AS45804MEGHBELA BROADBANDUnclassifiedIPv4 IPv63,613
AS151106SRMAK TECHNOLOGICAL SYSTEM PRIVATE LIMITEDHostingIPv4 IPv62,978
AS45582VAINAVI INDUSTIES LTD, INTERNET SERVICE PROVIDER, INDIAResidentialIPv4 IPv62,756
AS18002AS Number for Interdomain RoutingUnclassifiedIPv42,209
AS17483CityOnline Services LtdUnclassifiedIPv4 IPv61,965
AS58762Candor infosolution Pvt LtdResidentialIPv4 IPv61,609
AS58640NEXTRA TELESERVICES PVT. LTD.UnclassifiedIPv4 IPv61,567
AS133593VIZAG BROADCASTING COMPANY PVT. LTDUnclassifiedIPv41,476

All 203 downstreams →

Adjacency

Adjacent networks

All 212

Every AS seen directly next to AS45820 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS4755TATA Communications formerly VSNL is Leading ISPHostingIPv4 IPv6120,914
AS9498BHARTI Airtel Ltd.MobileIPv4 IPv67,408
AS133275Gigantic Infotel Pvt LtdResidentialIPv46,162
AS45804MEGHBELA BROADBANDUnclassifiedIPv4 IPv64,618
AS17625BlazeNet's NetworkHostingIPv4 IPv64,226
AS18002AS Number for Interdomain RoutingUnclassifiedIPv43,959
AS45582VAINAVI INDUSTIES LTD, INTERNET SERVICE PROVIDER, INDIAResidentialIPv4 IPv63,616
AS151106SRMAK TECHNOLOGICAL SYSTEM PRIVATE LIMITEDHostingIPv4 IPv62,978
AS17483CityOnline Services LtdUnclassifiedIPv4 IPv62,061
AS151732ONREMOTE TELECOM PRIVATE LIMITEDResidentialIPv4 IPv62,059

All 212 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-10 10:00 UTC by route-views2,rrc00, as seen from 74 BGP vantage points across 71.97M 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.