asn.dev

Observed topology

AS45820 TTSL-MEISISP - Tata Teleservices ISP AS

Residential APNIC Network Services

Upstreams 4 carry this network
Downstreams 199 this network carries
Adjacent (IPv4) 205
Adjacent (IPv6) 46
Upstream graph Who carries AS45820, and who carries them, drawn as a map up to the transit-free core. 7 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 IPv661,933
AS9498BHARTI Airtel Ltd.MobileIPv4 IPv64,991
AS17762Tata Teleservices Maharashtra LtdUnclassifiedIPv4119
AS35280F5 Networks SARLHostingIPv4 IPv63

Transit

Downstream networks

All 199

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 LtdResidentialIPv44,497
AS17625BlazeNet's NetworkHostingIPv4 IPv64,055
AS45804MEGHBELA BROADBANDUnclassifiedIPv4 IPv63,621
AS151106SRMAK TECHNOLOGICAL SYSTEM PRIVATE LIMITEDHostingIPv4 IPv63,043
AS45582VAINAVI INDUSTIES LTD, INTERNET SERVICE PROVIDER, INDIAResidentialIPv4 IPv62,805
AS18002AS Number for Interdomain RoutingUnclassifiedIPv42,264
AS17483CityOnline Services LtdUnclassifiedIPv4 IPv62,001
AS58762Candor infosolution Pvt LtdResidentialIPv4 IPv61,657
AS58640NEXTRA TELESERVICES PVT. LTD.UnclassifiedIPv4 IPv61,594
AS133593VIZAG BROADCASTING COMPANY PVT. LTDUnclassifiedIPv41,501

All 199 downstreams →

Adjacency

Adjacent networks

All 210

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

ASNetworkTypeFamiliesPaths seen
AS4755TATA Communications formerly VSNL is Leading ISPHostingIPv4 IPv6123,615
AS9498BHARTI Airtel Ltd.MobileIPv4 IPv67,514
AS133275Gigantic Infotel Pvt LtdResidentialIPv46,226
AS45804MEGHBELA BROADBANDUnclassifiedIPv4 IPv64,649
AS17625BlazeNet's NetworkHostingIPv4 IPv64,201
AS18002AS Number for Interdomain RoutingUnclassifiedIPv44,056
AS45582VAINAVI INDUSTIES LTD, INTERNET SERVICE PROVIDER, INDIAResidentialIPv4 IPv63,708
AS151106SRMAK TECHNOLOGICAL SYSTEM PRIVATE LIMITEDHostingIPv4 IPv63,043
AS17483CityOnline Services LtdUnclassifiedIPv4 IPv62,100
AS151732ONREMOTE TELECOM PRIVATE LIMITEDResidentialIPv4 IPv62,079

All 210 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.