Home Prefix Lookup2001:4c20::/32

2001:4c20::/32 - CATALYST2 Team Blue Carrier Limited (AS29636)

IPv6RIPE NCCannouncedAS29636CATALYST2-AS Team Blue Carrier LimitedNo ROA

CIDR

2001:4c20::/32

IP Version

IPv6

Addresses

79228.1Y

Mask

/32

Country

🇬🇧 United Kingdom

City

Belfast

RIR

RIPE NCC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:4c20::/32	AS29636 CATALYST2-AS Team Blue Carrier Limited	No ROA	RIPE	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS29636	RIPE	CATALYST2-MNT	2005-07-10

More Specific Prefixes

Prefix	Country	Status
2001:4c20:0:1::/64	🇬🇧GB	assigned
2001:4c20:0:2::/64	🇬🇧GB	assigned
2001:4c20:0:3::/64	🇬🇧GB	assigned
2001:4c20:1::/112	🇬🇧GB	assigned
2001:4c20:1::1:0/112	🇬🇧GB	assigned
2001:4c20:1::2:0/112	🇬🇧GB	assigned
2001:4c20:1::3:0/112	🇬🇧GB	assigned
2001:4c20:1:a::/64	🇬🇧GB	assigned
2001:4c20:1:b::/64	🇬🇧GB	assigned
2001:4c20:2::/48	🇬🇧GB	assigned

Transfer History

Registry transfers of 2001:4c20::/32, blocks inside it, or blocks containing it.

2001:4c20::/29Transfer · 2025-08-20
catalyst2 Services Limited
🇬🇧 GB RIPE NCC
→
Team Blue Carrier Limited
🇬🇧 GB RIPE NCC

Date	Resource	From	To	Type
2025-08-20	2001:4c20::/29	catalyst2 Services Limited 🇬🇧 GB RIPE NCC	Team Blue Carrier Limited 🇬🇧 GB RIPE NCC	Transfer

Origin ASN

AS29636

CATALYST2-AS Team Blue Carrier Limited

Related Prefixes

More prefixes of AS29636

All prefixes of AS29636 →

Geolocation

Country🇬🇧United KingdomGB

RegionNorthern Ireland

CityBelfast

Coordinates54.5958, -5.9234 ↗

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/2001:4c20::/32

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

curl -s "https://api.ipctl.io/v1/prefix/2001:4c20::/32" | jq

External Links

RIPEstat