ResearchRouting table, RPKI, IRR & looking glass

AS3175 Citytelecom LLC

AS3175 (CITYTELECOM-MSK) is registered to Citytelecom LLC in RU. It originates 44 prefixes in the global routing table.

42
IPv4 prefixes
2
IPv6 prefixes
14,336
IPv4 addresses
2%
RPKI valid
Registration

Who holds AS3175

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

AS number
AS3175
Handle
CITYTELECOM-MSK
Organization
Citytelecom LLC
Country
RU
ASPA
None published
Routing

What AS3175 announces

Prefixes originated by AS3175 in the routing table our collectors hold (kept current as routes change), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
42
IPv6 prefixes
2
IPv4 addresses
14,336 (56 /24s)
RPKI valid
1 2%
RPKI invalid
0
RPKI not found
43
ROAs naming AS3175
1
With an IRR route object
44 100%
Prefixes

Announced prefixes

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

IPv4 (42)
31.28.25.0/2462.152.39.0/2462.152.53.0/2462.152.54.0/2462.152.55.0/2462.152.56.0/2462.152.57.0/2462.152.58.0/2462.152.60.0/2462.152.61.0/2462.152.62.0/2477.87.214.0/2383.69.240.0/2283.69.244.0/2283.69.248.0/2383.69.250.0/2489.188.98.0/2489.188.106.0/2489.188.107.0/2489.188.108.0/2489.188.109.0/2489.188.113.0/2489.188.115.0/2489.188.116.0/2489.188.122.0/2489.188.127.0/2491.199.114.0/24185.229.8.0/22193.124.158.0/23194.117.250.0/23194.120.104.0/23195.128.51.0/24217.65.2.0/24217.65.3.0/24217.65.5.0/24217.65.6.0/24217.65.7.0/24217.65.8.0/24217.65.9.0/24217.65.10.0/24217.65.11.0/24217.65.12.0/24
IPv6 (2)
2a0d:5a00::/292a0f:3c40::/29

RPKI valid   RPKI invalid   no ROA covers it

Upstreams

Who AS3175 buys transit from

Inferred from the AS paths in the RouteViews tables and our own collectors’ feeds, refreshed every 4 hours, most-seen first. 2 upstreams.

AS29076 CITYTELECOM-ASAS1299 TWELVE99
Downstreams

Who buys transit from AS3175

12 downstreams, its customers.

AS33842 NOT_USEDAS12616 HOSTING-MSKAS210079 EUROBYTEAS50516 MAXIPLACE-ASAS50214 QWARTAAS43307 ALTLINUX-ASAS60561 MONUMENT-A-ASAS202344 basealtAS208207 SKGELIOS-ASAS31240 NOT_USEDAS47577 IXBT-ASAS39684 MANGO-TELECOM-AS
IRR

Routing registry objects

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

Sourceas-nameMaintained by
RIPECITYTELECOM-MSKRIPE-NCC-END-MNT, CITYTELECOM-RIPE-MNT

Route objects with origin AS3175: RIPE 54

as-sets that list AS3175 (6)
AS-BLOCK-SETAS-BLOCKED-RUAS-DATAHOUSEAS-HURRICANEAS-HURRICANEV6AS3491:AS-CUSTOMERS-EU
Tools

Check AS3175 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup