Home Prefix Lookup178.19.240.0/20

178.19.240.0/20 - CITYLINK (AS47236)

IPv4RIPE NCCallocatedAS47236CITYLINK-AS CityLink LtdNo ROA

CIDR

178.19.240.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇷🇺 Russia

City

Petrozavodsk

RIR

RIPE NCC

Status

allocated

Allocated

2010-05-25

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
178.19.240.0/20	AS47236 CITYLINK-AS CityLink Ltd	No ROA	-	2026-10-11

More-Specific Announcements

6 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
178.19.240.0/21	AS47236 CITYLINK-AS CityLink Ltd	No ROA	-	2026-10-11
178.19.248.0/23	AS47236 CITYLINK-AS CityLink Ltd	No ROA	-	2026-10-11
178.19.250.0/24	AS47236 CITYLINK-AS CityLink Ltd	No ROA	-	2026-10-11
178.19.251.0/24	AS47236 CITYLINK-AS CityLink Ltd	No ROA	-	2026-10-11
178.19.253.0/24	AS47236 CITYLINK-AS CityLink Ltd	No ROA	-	2026-10-11
178.19.255.0/24	AS47236 CITYLINK-AS CityLink Ltd	No ROA	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
178.19.240.0/21	AS47236	🇷🇺RU	allocated
178.19.248.0/22		🇷🇺RU	allocated
178.19.248.0/23	AS47236	🇷🇺RU	allocated
178.19.250.0/24	AS47236	🇷🇺RU	allocated
178.19.251.0/24	AS47236	🇷🇺RU	allocated
178.19.252.0/23		🇷🇺RU	allocated
178.19.252.0/25		🇷🇺RU	assigned
178.19.252.128/26		🇷🇺RU	assigned
178.19.252.192/26		🇷🇺RU	assigned
178.19.253.0/24	AS47236	🇷🇺RU	assigned
178.19.254.0/24		🇷🇺RU	allocated
178.19.255.0/24	AS47236	🇷🇺RU	allocated

Transfer History

Registry transfers of 178.19.240.0/20, blocks inside it, or blocks containing it.

178.19.251.0/24Transfer · 2026-06-08
CityLink Ltd
🇷🇺 RU RIPE NCC
→
M Svyaz LLC
🇷🇺 RU RIPE NCC
178.19.255.0/24Transfer · 2026-06-01
CityLink Ltd
🇷🇺 RU RIPE NCC
→
Ionit-Telecom Ltd
🇷🇺 RU RIPE NCC

Date	Resource	From	To	Type
2026-06-08	178.19.251.0/24	CityLink Ltd 🇷🇺 RU RIPE NCC	M Svyaz LLC 🇷🇺 RU RIPE NCC	Transfer
2026-06-01	178.19.255.0/24	CityLink Ltd 🇷🇺 RU RIPE NCC	Ionit-Telecom Ltd 🇷🇺 RU RIPE NCC	Transfer

Origin ASN

AS47236

CITYLINK-AS CityLink Ltd

Related Prefixes

More prefixes of AS47236

All prefixes of AS47236 →

Geolocation

Country🇷🇺RussiaRU

CityPetrozavodsk

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/178.19.240.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/178.19.240.0/20" | jq

External Links

RIPEstat