Adjacent networks
AS21453 FLEX-AS
Residential RIPE Cable/DSL/ISP
Adjacency
Adjacent networks
Every AS seen directly next to AS21453 in a routing path, in either direction.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS12389 | PJSC Rostelecom | Residential | IPv4 IPv6 | 811 |
| AS35598 | INETCOM CARRIER LLC | Unclassified | IPv4 | 308 |
| AS48149 | Ivanteevskie telecommunicacii Ltd | Unclassified | IPv4 IPv6 | 299 |
| AS28917 | Fiord Networks, UAB | Unclassified | IPv4 IPv6 | 225 |
| AS1299 | Arelion Sweden AB | Transit | IPv4 IPv6 | 210 |
| AS20764 | CJSC RASCOM | Unclassified | IPv4 | 197 |
| AS34975 | Azimut-R Ltd. | Unclassified | IPv4 | 189 |
| AS8641 | LLC "Nauka-Svyaz" | Unclassified | IPv4 IPv6 | 175 |
| AS201646 | Flex-l Ltd | Unclassified | IPv4 IPv6 | 163 |
| AS49893 | Bitrace telecom Ltd. | Unclassified | IPv4 | 158 |
| AS3216 | PJSC "Vimpelcom" | Mobile | IPv4 | 156 |
| AS57489 | LLC "Telecom-Uslugi" | Unclassified | IPv4 | 145 |
| AS57304 | JSC "RetnNet" | Unclassified | IPv4 IPv6 | 141 |
| AS41783 | Informational technologies and electronic communications LLC | Unclassified | IPv4 IPv6 | 130 |
| AS43567 | UG-TELECOM Ltd. | Unclassified | IPv4 | 104 |
| AS35271 | JSC "AVIEL" | Unclassified | IPv4 IPv6 | 43 |
| AS24482 | SG.GS | Hosting | IPv4 IPv6 | 40 |
| AS208972 | GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI | Unclassified | IPv4 | 40 |
| AS9002 | RETN Limited | Unclassified | IPv4 | 39 |
| AS50449 | Limited Liability Company "Kvant" | Unclassified | IPv4 | 38 |
| AS62255 | BiMajLink d.o.o. | Unclassified | IPv4 | 36 |
| AS37721 | Virtual Technologies & Solutions | Residential | IPv4 | 33 |
| AS29076 | Citytelecom LLC | Hosting | IPv4 IPv6 | 32 |
| AS216335 | OOO Kalibr SB | Unclassified | IPv4 | 28 |
| AS49673 | Truenetwork LLC | Unclassified | IPv4 | 25 |
| AS199933 | Elektranet Ltd. | Unclassified | IPv6 | 16 |
| AS213503 | ITS-Project LLC | Unclassified | IPv4 | 12 |
| AS8447 | A1 Telekom Austria AG | Residential | IPv4 | 4 |
| AS50182 | Proxima Ltd | Unclassified | IPv4 | 4 |
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.
Derived from routing tables collected at 2026-10-24 16:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.19M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.