Home Prefix Lookup81.172.66.0/24

81.172.66.0/24 - CYPRESSTEL HK Cypresstel Global Network (AS131274)

IPv4RIPE NCCallocatedAS131274CYPRESSTEL-HK Cypresstel Global Network RPKI Valid

CIDR

81.172.66.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇭🇰 Hong Kong

City

Hong Kong

RIR

RIPE NCC

Status

allocated

Allocated

2003-01-14

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
81.172.66.0/24	AS131274 CYPRESSTEL-HK Cypresstel Global Network	Valid	Other IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
81.172.66.0/24	AS131274	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS131274	Other IRR	MAINT-AS36236	2026-09-07

Transfer History

Registry transfers of 81.172.66.0/24, blocks inside it, or blocks containing it.

81.172.66.0/24Transfer · 2026-03-10
VODAFONE ONO, S.A.
🇪🇸 ES RIPE NCC
→
steel-axis LLC
🇺🇸 US RIPE NCC

Date	Resource	From	To	Type
2026-03-10	81.172.66.0/24	VODAFONE ONO, S.A. 🇪🇸 ES RIPE NCC	steel-axis LLC 🇺🇸 US RIPE NCC	Transfer

Origin ASN

AS131274

CYPRESSTEL-HK Cypresstel Global Network

Related Prefixes

More prefixes of AS131274

All prefixes of AS131274 →

Geolocation

Country🇭🇰Hong KongHK

RegionKowloon

CityHong Kong

Coordinates22.3193, 114.1690 ↗

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/81.172.66.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/81.172.66.0/24" | jq

External Links

RIPEstat