Home Prefix Lookup217.145.112.0/20

217.145.112.0/20 - GTT BACKBONE GTT Communications (AS3257)

IPv4RIPE NCCallocatedAS3257GTT-BACKBONE GTT Communications Inc.No ROA

CIDR

217.145.112.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇬🇧 United Kingdom

City

Kidlington

RIR

RIPE NCC

Status

allocated

Allocated

2004-04-06

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
217.145.112.0/20	AS3257 GTT-BACKBONE GTT Communications Inc.	No ROA	RIPE	2026-10-14

More-Specific Announcements

4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
217.145.124.0/24	AS8190 MDNX - GTT Americas, LLC	No ROA	-	2026-10-14
217.145.125.0/24	AS8190 MDNX - GTT Americas, LLC	No ROA	-	2026-10-14
217.145.126.0/24	AS8190 MDNX - GTT Americas, LLC	No ROA	-	2026-10-14
217.145.127.0/24	AS8190 MDNX - GTT Americas, LLC	No ROA	-	2026-10-14

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3257	RIPE	AS3257-ROUTE-MNT	2023-08-09
AS8844	RIPE	AS3257-ROUTE-MNT	2023-08-09

More Specific Prefixes

Prefix	Country	Status
217.145.112.0/28	🇬🇧GB	assigned
217.145.112.16/28	🇬🇧GB	assigned
217.145.112.32/27	🇬🇧GB	assigned
217.145.112.64/26	🇬🇧GB	assigned
217.145.112.128/26	🇬🇧GB	assigned
217.145.112.192/26	🇬🇧GB	assigned
217.145.113.0/29	🇬🇧GB	assigned
217.145.113.8/29	🇬🇧GB	assigned
217.145.113.16/29	🇬🇧GB	assigned
217.145.113.24/29	🇬🇧GB	assigned
217.145.113.32/28	🇬🇧GB	assigned
217.145.113.48/28	🇬🇧GB	assigned
217.145.113.64/28	🇬🇧GB	assigned
217.145.113.80/28	🇬🇧GB	assigned
217.145.113.96/28	🇬🇧GB	assigned
217.145.113.112/28	🇬🇧GB	assigned
217.145.113.128/25	🇬🇧GB	assigned
217.145.114.0/25	🇬🇧GB	assigned
217.145.114.128/25	🇬🇧GB	assigned
217.145.115.0/24	🇬🇧GB	assigned
217.145.116.0/24	🇬🇧GB	assigned
217.145.117.0/24	🇬🇧GB	assigned
217.145.118.1/32	🇬🇧GB	assigned
217.145.118.2/31	🇬🇧GB	assigned
217.145.118.4/30	🇬🇧GB	assigned
217.145.118.8/29	🇬🇧GB	assigned
217.145.118.16/28	🇬🇧GB	assigned
217.145.118.32/27	🇬🇧GB	assigned
217.145.118.64/26	🇬🇧GB	assigned
217.145.118.128/25	🇬🇧GB	assigned
217.145.119.0/24	🇬🇧GB	assigned
217.145.120.0/22	🇬🇧GB	assigned
217.145.124.0/22	🇬🇧GB	assigned

Transfer History

Registry transfers of 217.145.112.0/20, blocks inside it, or blocks containing it.

217.145.112.0/20M&A · 2021-07-22
INTEROUTE NETWORKS LIMITED
RIPE NCC
→
GTT - EMEA Ltd.
RIPE NCC
217.145.112.0/20M&A · 2021-03-12
Interoute Managed Services UK Limited
RIPE NCC
→
INTEROUTE NETWORKS LIMITED
RIPE NCC
217.145.112.0/20M&A · 2020-12-31
EASYNET ENTERPRISE SERVICES LIMITED
RIPE NCC
→
Interoute Managed Services UK Limited
RIPE NCC

Date	Resource	From	To	Type
2021-07-22	217.145.112.0/20	INTEROUTE NETWORKS LIMITED RIPE NCC	GTT - EMEA Ltd. RIPE NCC	M&A
2021-03-12	217.145.112.0/20	Interoute Managed Services UK Limited RIPE NCC	INTEROUTE NETWORKS LIMITED RIPE NCC	M&A
2020-12-31	217.145.112.0/20	EASYNET ENTERPRISE SERVICES LIMITED RIPE NCC	Interoute Managed Services UK 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

CityKidlington

Coordinates51.8276, -1.3038 ↗

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/217.145.112.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/217.145.112.0/20" | jq

External Links

RIPEstat