Home Prefix Lookup178.251.136.0/21

178.251.136.0/21 - MOSCOW JSC "ER Telecom Holding" (AS31363)

IPv4RIPE NCCallocatedAS31363MOSCOW-AS JSC "ER-Telecom Holding"No ROA

CIDR

178.251.136.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇷🇺 Russia

City

Moscow

RIR

RIPE NCC

Status

allocated

Allocated

2010-06-25

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
178.251.136.0/21	AS31363 MOSCOW-AS JSC "ER-Telecom Holding"	No ROA	RIPE	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS31363	RIPE	RAID-MNT	2026-07-10

Transfer History

Registry transfers of 178.251.136.0/21, blocks inside it, or blocks containing it.

178.251.136.0/21Transfer · 2021-10-12
OOO Dalnyaya svyaz
RIPE NCC
→
JSC "ER-Telecom Holding"
RIPE NCC

Date	Resource	From	To	Type
2021-10-12	178.251.136.0/21	OOO Dalnyaya svyaz RIPE NCC	JSC "ER-Telecom Holding" RIPE NCC	Transfer

Origin ASN

AS31363

MOSCOW-AS JSC "ER-Telecom Holding"

Related Prefixes

More prefixes of AS31363

All prefixes of AS31363 →

Geolocation

Country🇷🇺RussiaRU

RegionMoscow

CityMoscow

Coordinates55.8064, 37.4668 ↗

Abuse Contact

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/178.251.136.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/178.251.136.0/21" | jq

External Links

RIPEstat