Home Prefix Lookup72.63.0.0/16

72.63.0.0/16 - BGP Prefix

IPv4RIPE NCCallocatedNo ROA

CIDR

72.63.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Boston

RIR

RIPE NCC

Status

allocated

Allocated

2010-11-10

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

77 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
72.63.0.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
72.63.4.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.6.0/23	AS30058 FDCSERVERS - FDCservers.net	Valid	-	2026-10-11
72.63.8.0/22	AS30633 LEASEWEB-USA-WDC - Leaseweb USA, Inc.	Valid	-	2026-10-11
72.63.12.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
72.63.16.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.18.0/23	AS30058 FDCSERVERS - FDCservers.net	No ROA	-	2026-10-11
72.63.20.0/23	AS30058 FDCSERVERS - FDCservers.net	No ROA	-	2026-10-11
72.63.22.0/23	AS30058 FDCSERVERS - FDCservers.net	No ROA	-	2026-10-11
72.63.24.0/22	AS30633 LEASEWEB-USA-WDC - Leaseweb USA, Inc.	Valid	-	2026-10-11
72.63.28.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
72.63.32.0/22	AS30633 LEASEWEB-USA-WDC - Leaseweb USA, Inc.	Valid	-	2026-10-11
72.63.36.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.38.0/23	AS30058 FDCSERVERS - FDCservers.net	No ROA	-	2026-10-11
72.63.40.0/22	AS30633 LEASEWEB-USA-WDC - Leaseweb USA, Inc.	Valid	-	2026-10-11
72.63.44.0/22	AS30633 LEASEWEB-USA-WDC - Leaseweb USA, Inc.	Valid	-	2026-10-11
72.63.48.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.52.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.54.0/23	AS150423 SERVER-AS-AP Server Galactic Private Limited	Valid	-	2026-10-11
72.63.56.0/22	AS30633 LEASEWEB-USA-WDC - Leaseweb USA, Inc.	Valid	-	2026-10-11
72.63.60.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
72.63.64.0/22	AS30633 LEASEWEB-USA-WDC - Leaseweb USA, Inc.	Valid	-	2026-10-11
72.63.68.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
72.63.72.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
72.63.76.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.78.0/23	AS30058 FDCSERVERS - FDCservers.net	Valid	-	2026-10-11
72.63.80.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
72.63.84.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.86.0/23	AS30058 FDCSERVERS - FDCservers.net	No ROA	-	2026-10-11
72.63.88.0/22	AS30058 FDCSERVERS - FDCservers.net	Valid	-	2026-10-11
72.63.92.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
72.63.96.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.98.0/23	AS30058 FDCSERVERS - FDCservers.net	Valid	-	2026-10-11
72.63.100.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
72.63.104.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
72.63.108.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.110.0/23	AS212238 CDNEXT Datacamp Limited	Valid	-	2026-10-11
72.63.112.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
72.63.116.0/22	AS62874 WEB2OBJECTS - Web2Objects LLC	Valid	-	2026-10-11
72.63.120.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.124.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
72.63.128.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.130.0/23	AS30058 FDCSERVERS - FDCservers.net	No ROA	-	2026-10-11
72.63.132.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.136.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.140.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.144.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.148.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.152.0/22	AS30633 LEASEWEB-USA-WDC - Leaseweb USA, Inc.	Valid	-	2026-10-11
72.63.156.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
72.63.160.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.164.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.168.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.172.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.176.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.180.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.184.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.188.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
72.63.192.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.196.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.200.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.204.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.208.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.212.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.214.0/23	AS30058 FDCSERVERS - FDCservers.net	No ROA	-	2026-10-11
72.63.216.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.220.0/22	AS6079 RCN-AS - RCN	Valid	-	2026-10-11
72.63.224.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.228.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.232.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.236.0/22	AS396356 LATITUDE-SH - Latitude.sh	Valid	-	2026-10-11
72.63.240.0/22	AS3356 LEVEL3 - Level 3 Parent, LLC	No ROA	-	2026-10-11
72.63.244.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.246.0/23	AS30058 FDCSERVERS - FDCservers.net	No ROA	-	2026-10-11
72.63.248.0/22	AS30058 FDCSERVERS - FDCservers.net	Valid	-	2026-10-11
72.63.252.0/23	AS203061 itproximus UAB code200	Valid	-	2026-10-11
72.63.254.0/23	AS30058 FDCSERVERS - FDCservers.net	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
72.63.0.0/22	AS6079	🇺🇸US	assigned
72.63.12.0/22	AS62874	🇺🇸US	assigned
72.63.28.0/22	AS6079	🇺🇸US	assigned
72.63.60.0/22	AS6079	🇺🇸US	assigned
72.63.68.0/22	AS62874	🇺🇸US	assigned
72.63.72.0/22	AS62874	🇺🇸US	assigned
72.63.80.0/22	AS62874	🇺🇸US	assigned
72.63.92.0/22	AS6079	🇺🇸US	assigned
72.63.100.0/22	AS62874	🇺🇸US	assigned
72.63.104.0/22	AS62874	🇺🇸US	assigned
72.63.112.0/22	AS62874	🇺🇸US	assigned
72.63.116.0/22	AS62874	🇺🇸US	assigned
72.63.124.0/22	AS6079	🇺🇸US	assigned
72.63.156.0/22	AS6079	🇺🇸US	assigned
72.63.188.0/22	AS6079	🇺🇸US	assigned
72.63.220.0/22	AS6079	🇺🇸US	assigned

Transfer History

Registry transfers of 72.63.0.0/16, blocks inside it, or blocks containing it.

72.63.0.0/16inter-RIRTransfer · 2025-06-03
T-Mobile USA, Inc.
🇺🇸 US ARIN
→
UAB code200
RIPE NCC
72.56.0.0/13M&A · 2020-12-31
Sprint Communications, Inc.
🇺🇸 US ARIN
→
T-Mobile USA, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-06-03	72.63.0.0/16inter-RIR	T-Mobile USA, Inc. 🇺🇸 US ARIN	UAB code200 RIPE NCC	Transfer
2020-12-31	72.56.0.0/13	Sprint Communications, Inc. 🇺🇸 US ARIN	T-Mobile USA, Inc. 🇺🇸 US ARIN	M&A

Geolocation

Country🇺🇸United StatesUS

CityBoston

Coordinates42.3601, -71.0589 ↗

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/72.63.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/72.63.0.0/16" | jq

External Links

RIPEstat