Home Prefix Lookup2a00:16c8::/32

2a00:16c8::/32 - GTT BACKBONE GTT Communications (AS3257)

IPv6RIPE NCCallocatedAS3257GTT-BACKBONE GTT Communications Inc.No ROA

CIDR

2a00:16c8::/32

IP Version

IPv6

Addresses

79228.1Y

Mask

/32

Country

🇬🇧 United Kingdom

City

Hoddesdon

RIR

RIPE NCC

Status

allocated

Allocated

2009-11-18

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2a00:16c8::/32	AS3257 GTT-BACKBONE GTT Communications Inc.	No ROA	RIPE	2026-10-26

More-Specific Announcements

4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2a00:16c8:10b::/48	AS3257 GTT-BACKBONE GTT Communications Inc.	No ROA	-	2026-10-26
2a00:16c8:10c::/48	AS3257 GTT-BACKBONE GTT Communications Inc.	No ROA	-	2026-10-26
2a00:16c8:110::/48	AS50173 VTESSE GTT - EMEA Ltd.	No ROA	-	2026-10-26
2a00:16c8:111::/48	AS50173 VTESSE GTT - EMEA Ltd.	No ROA	-	2026-10-26

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3257	RIPE	AS3257-ROUTE-MNT	2023-06-13
AS50173	RIPE	VTESSE-MNT	2009-11-27

More Specific Prefixes

Prefix	AS	Country	Status
2a00:16c8::/48		🇬🇧GB	assigned
2a00:16c8:1::/48		🇬🇧GB	assigned
2a00:16c8:100::/40		🇬🇧GB	assigned
2a00:16c8:100::/48		🇬🇧GB	assigned
2a00:16c8:101::/48		🇬🇧GB	assigned
2a00:16c8:102::/48		🇬🇧GB	assigned
2a00:16c8:103::/48		🇬🇧GB	assigned
2a00:16c8:104::/48		🇬🇧GB	assigned
2a00:16c8:105::/48		🇬🇧GB	assigned
2a00:16c8:107::/48		🇬🇧GB	assigned
2a00:16c8:108::/48		🇬🇧GB	assigned
2a00:16c8:109::/48		🇬🇧GB	assigned
2a00:16c8:10a::/48		🇬🇧GB	assigned
2a00:16c8:10b::/48	AS3257	🇬🇧GB	assigned
2a00:16c8:10c::/48	AS3257	🇬🇧GB	assigned
2a00:16c8:10d::/48		🇬🇧GB	assigned
2a00:16c8:10e::/48		🇬🇧GB	assigned
2a00:16c8:10f::/48		🇬🇧GB	assigned
2a00:16c8:110::/48	AS50173	🇬🇧GB	assigned
2a00:16c8:111::/48	AS50173	🇬🇧GB	assigned
2a00:16c8:112::/48		🇬🇧GB	assigned
2a00:16c8:113::/48		🇬🇧GB	assigned
2a00:16c8:115::/48		🇬🇧GB	assigned
2a00:16c8:2000::/48		🇬🇧GB	assigned
2a00:16c8:4000::/60		🇬🇧GB	assigned

Transfer History

Registry transfers of 2a00:16c8::/32, blocks inside it, or blocks containing it.

2a00:16c8::/32Transfer · 2021-04-28
INTEROUTE NETWORKS LIMITED
RIPE NCC
→
GTT Communications Inc.
RIPE NCC
2a00:16c8::/32M&A · 2021-03-23
Interoute Vtesse Limited
RIPE NCC
→
INTEROUTE NETWORKS LIMITED
RIPE NCC

Date	Resource	From	To	Type
2021-04-28	2a00:16c8::/32	INTEROUTE NETWORKS LIMITED RIPE NCC	GTT Communications Inc. RIPE NCC	Transfer
2021-03-23	2a00:16c8::/32	Interoute Vtesse Limited RIPE NCC	INTEROUTE NETWORKS LIMITED RIPE NCC	M&A

Origin ASN

AS3257

GTT-BACKBONE GTT Communications Inc.

Related Prefixes

More prefixes of AS3257

All prefixes of AS3257 →

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityHoddesdon

Coordinates51.7584, -0.0024 ↗

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/2a00:16c8::/32

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

curl -s "https://api.ipctl.io/v1/prefix/2a00:16c8::/32" | jq

External Links

RIPEstat