Home Prefix Lookup205.179.0.0/16

205.179.0.0/16 - GTT BACKBONE GTT Communications (AS3257)

IPv4ARINallocatedAS3257GTT-BACKBONE GTT Communications Inc.No ROA

CIDR

205.179.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇲🇽 Mexico

City

Mexico

RIR

ARIN

Status

allocated

Allocated

1995-03-20

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
205.179.0.0/16	AS3257 GTT-BACKBONE GTT Communications Inc.	No ROA	Other IRR	2026-10-12

More-Specific Announcements

23 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
205.179.128.0/18	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Valid	-	2026-10-12
205.179.192.0/20	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Valid	-	2026-10-12
205.179.208.0/24	AS32043 NEO-FIBER-01 - NeoFiber Communications inc.	Valid	-	2026-10-12
205.179.210.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.211.0/24	AS401783 TOKALA-COMMUNICATIONS - TOKALA COMMUNICATIONS INC.	Valid	-	2026-10-12
205.179.212.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.213.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.214.0/24	AS6220 AS6220 - inContact Inc.	Valid	-	2026-10-12
205.179.215.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.216.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.217.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.218.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.219.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.219.0/24	AS32043 NEO-FIBER-01 - NeoFiber Communications inc.	Valid	-	2026-10-12
205.179.220.0/22	AS199524 GCORE G-Core Labs S.A.	Valid	-	2026-10-12
205.179.224.0/20	AS20001 TWC-20001-PACWEST - Charter Communications Inc	Valid	-	2026-10-12
205.179.240.0/22	AS199524 GCORE G-Core Labs S.A.	Valid	-	2026-10-12
205.179.244.0/22	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.248.0/22	AS9009 M247 M247 Europe SRL	Valid	-	2026-10-12
205.179.252.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.252.0/24	AS32043 NEO-FIBER-01 - NeoFiber Communications inc.	Valid	-	2026-10-12
205.179.254.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12
205.179.255.0/24	AS2914 NTT-DATA-2914 - NTT America, Inc.	Valid	-	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3257	Other IRR	MAINT-AS3257	2025-04-11

Transfer History

Registry transfers of 205.179.0.0/16, blocks inside it, or blocks containing it.

205.179.0.0/16M&A · 2025-05-07
GTT
🇺🇸 US ARIN
→
GTT Americas, LLC
🇺🇸 US ARIN
205.179.0.0/16M&A · 2024-07-09
MegaPath Networks Inc.
🇺🇸 US ARIN
→
GTT
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-05-07	205.179.0.0/16	GTT 🇺🇸 US ARIN	GTT Americas, LLC 🇺🇸 US ARIN	M&A
2024-07-09	205.179.0.0/16	MegaPath Networks Inc. 🇺🇸 US ARIN	GTT 🇺🇸 US ARIN	M&A

Origin ASN

AS3257

GTT-BACKBONE GTT Communications Inc.

Related Prefixes

More prefixes of AS3257

All prefixes of AS3257 →

Geolocation

Country🇲🇽MexicoMX

CityMexico

Coordinates19.4326, -99.1332 ↗

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 ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/205.179.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/205.179.0.0/16" | jq

External Links

RIPEstat