ResearchRouting table, RPKI, IRR & looking glass

AS51819 JSC "ER-Telecom Holding"

AS51819 (YAR-AS) is registered to JSC "ER-Telecom Holding" in RU. It originates 56 prefixes in the global routing table.

51
IPv4 prefixes
5
IPv6 prefixes
47,616
IPv4 addresses
8%
RPKI valid
Registration

Who holds AS51819

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS51819
Handle
YAR-AS
Organization
JSC "ER-Telecom Holding"
Country
RU
ASPA
None published
Routing

What AS51819 announces

Prefixes originated by AS51819 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
51
IPv6 prefixes
5
IPv4 addresses
47,616 (186 /24s)
RPKI valid
5 8%
RPKI invalid
0
RPKI not found
51
ROAs naming AS51819
1
With an IRR route object
52 92%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (51)
5.3.28.0/245.165.160.0/205.165.168.0/225.165.216.0/215.165.216.0/225.165.220.0/225.166.0.0/195.166.0.0/225.166.4.0/225.166.8.0/225.166.12.0/225.166.16.0/225.166.20.0/225.166.24.0/225.166.28.0/225.167.32.0/205.167.32.0/225.167.36.0/225.167.40.0/225.167.44.0/225.167.80.0/205.167.84.0/225.167.88.0/225.167.92.0/2237.113.72.0/2137.113.72.0/2237.113.76.0/2237.113.88.0/2137.113.88.0/2237.113.92.0/2237.113.240.0/2137.113.240.0/2237.113.244.0/22109.195.112.0/20109.195.116.0/24109.195.117.0/24176.212.48.0/21176.212.48.0/22176.212.52.0/22176.212.80.0/21176.212.80.0/22176.212.84.0/22176.214.64.0/19176.214.64.0/22176.214.68.0/22176.214.72.0/22176.214.84.0/22176.214.88.0/22176.215.88.0/21176.215.88.0/22188.187.233.0/24
IPv6 (5)
2a02:2698:9400::/382a02:2698:9408::/482a02:2698:9409::/482a02:2698:942a::/482a02:2698:942b::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS51819 is reached through

The AS just before AS51819 in the paths our looking glass collectors hold, for 56 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS9049 ERTH-TRANSIT-AS 56
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEYAR-ASRIPE-NCC-END-MNT, RAID-MNT

Route objects with origin AS51819: RIPE 109

as-sets that list AS51819 (9)
AS-BLOCK-SETAS-BLOCKED-RUAS-ERTH-CITIESAS-HURRICANEV6AS-RETN-ACTUAL-V4AS-RETN-ACTUAL-V6AS-YARAS-YAR-IXAS209141:AS-RUCUST
Tools

Check AS51819 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup