Home Prefix Lookup63.246.128.0/19

63.246.128.0/19 - BGP Prefix

IPv4not announced RPKI Valid

CIDR

63.246.128.0/19

IP Version

IPv4

Addresses

8.1K

Mask

/19 (255.255.224.0)

Country

🇺🇸 United States

City

Sterling

Status

not announced

Allocated

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

34 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
63.246.128.0/24	AS64249 ENDOFFICE - Charles River Operation	Valid	-	2026-10-11
63.246.130.0/24	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.131.0/24	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.132.0/24	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.133.0/24	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.134.0/24	AS27602 PATHFINDER-ASN - Pathfinder Broadband	Valid	-	2026-10-11
63.246.135.0/24	AS262287 Latitude.sh LTDA	No ROA	-	2026-10-11
63.246.136.0/24	AS64200 VIVIDHOSTING - VIVID-HOSTING LLC	Valid	-	2026-10-11
63.246.137.0/24	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.138.0/24	AS397661 PILLEN-OFFICE-01 - Pillen Family Farms, Inc.	No ROA	-	2026-10-11
63.246.139.0/24	AS64200 VIVIDHOSTING - VIVID-HOSTING LLC	Valid	-	2026-10-11
63.246.140.0/24	AS20276 GDVL - Global Data Vault, L.L.C	No ROA	-	2026-10-11
63.246.141.0/24	AS20276 GDVL - Global Data Vault, L.L.C	No ROA	-	2026-10-11
63.246.142.0/24	AS64200 VIVIDHOSTING - VIVID-HOSTING LLC	Valid	-	2026-10-11
63.246.143.0/24	AS397377 ESTES-PARK - Town of Estes Park	Valid	-	2026-10-11
63.246.144.0/24	AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC	Valid	-	2026-10-11
63.246.145.0/24	AS64200 VIVIDHOSTING - VIVID-HOSTING LLC	Valid	-	2026-10-11
63.246.146.0/23	AS64200 VIVIDHOSTING - VIVID-HOSTING LLC	Valid	-	2026-10-11
63.246.148.0/24	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.148.0/24	AS33667 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.149.0/24	AS46635 NET3-AI - Contact Consumers	Valid	-	2026-10-11
63.246.149.0/24	AS64200 VIVIDHOSTING - VIVID-HOSTING LLC	Invalid	-	2026-10-11
63.246.150.0/24	AS33659 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.151.0/24	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.152.0/24	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.152.0/24	AS33667 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.153.0/24	AS11404 AS-WAVE-1 - Wave Broadband	Valid	-	2026-10-11
63.246.154.0/24	AS36780 SECURE-GATEWAY-ALSCO - ALSCO	No ROA	-	2026-10-11
63.246.155.0/24	AS397334 DOTFOODS - Dot Foods, Inc.	No ROA	-	2026-10-11
63.246.156.0/24	AS64249 ENDOFFICE - Charles River Operation	Valid	-	2026-10-11
63.246.157.0/24	AS64249 ENDOFFICE - Charles River Operation	Valid	-	2026-10-11
63.246.158.0/24	AS7015 COMCAST-7015 - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.159.0/24	AS33651 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11
63.246.159.0/24	AS33667 CMCS - Comcast Cable Communications, LLC	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
63.246.128.0/22		🇺🇸US	allocated
63.246.129.0/24		🇹🇭TH	assigned
63.246.130.0/24	AS7015	🇺🇸US	assigned
63.246.131.0/24	AS7015	🇺🇸US	assigned
63.246.132.0/23		🇺🇸US	allocated
63.246.132.0/24	AS7015	🇺🇸US	assigned
63.246.133.0/24	AS7015	🇺🇸US	assigned
63.246.134.0/24	AS27602	🇺🇸US	allocated
63.246.135.0/24	AS262287	🇺🇸US	allocated
63.246.136.0/23		🇺🇸US	allocated
63.246.138.0/24	AS397661	🇺🇸US	allocated
63.246.139.0/24	AS64200	🇺🇸US	allocated
63.246.140.0/23	AS20276	🇺🇸US	allocated
63.246.142.0/24	AS64200	🇺🇸US	allocated
63.246.143.0/24	AS397377	🇺🇸US	allocated
63.246.144.0/21		🇺🇸US	allocated
63.246.146.0/23	AS64200	🇺🇸US	assigned
63.246.148.0/24	AS33667	🇦🇹AT	assigned
63.246.150.0/24	AS33659	🇺🇸US	assigned
63.246.151.0/24	AS7015	🇺🇸US	assigned
63.246.152.0/24	AS33667	🇺🇸US	allocated
63.246.153.0/24	AS11404	🇺🇸US	allocated
63.246.154.0/24	AS36780	🇺🇸US	allocated
63.246.155.0/24	AS397334	🇺🇸US	allocated
63.246.156.0/22		🇺🇸US	allocated
63.246.156.0/24	AS64249	🇺🇸US	assigned
63.246.158.0/23		🇺🇸US	assigned
63.246.159.0/24	AS33667	🇺🇸US	assigned

Transfer History

Registry transfers of 63.246.128.0/19, blocks inside it, or blocks containing it.

63.246.154.0/24M&A · 2025-06-25
ALSCO
🇺🇸 US ARIN
→
ALSCO
🇺🇸 US ARIN
63.246.153.0/24M&A · 2021-01-28
Synergy Internet Services Florida
🇺🇸 US ARIN
→
WiredISP Inc.
🇺🇸 US ARIN
63.246.135.0/24M&A · 2021-01-28
Synergy Internet Services Florida
🇺🇸 US ARIN
→
WiredISP Inc.
🇺🇸 US ARIN
63.246.140.0/23Transfer · 2019-10-07
Synergy Internet Services Florida
🇺🇸 US ARIN
→
Global Data Vault, L.L.C
🇺🇸 US ARIN
63.246.154.0/24Transfer · 2019-09-11
Synergy Internet Services Florida
🇺🇸 US ARIN
→
ALSCO
🇺🇸 US ARIN
63.246.155.0/24Transfer · 2019-07-11
Synergy Internet Services Florida
🇺🇸 US ARIN
→
Dot Foods, Inc.
🇺🇸 US ARIN
63.246.143.0/24Transfer · 2019-06-18
Synergy Internet Services Florida
🇺🇸 US ARIN
→
Town of Estes Park
🇺🇸 US ARIN
63.246.138.0/24Transfer · 2019-06-12
Synergy Internet Services Florida
🇺🇸 US ARIN
→
Pillen Family Farms, Inc.
🇺🇸 US ARIN
63.246.148.0/22inter-RIRTransfer · 2019-04-23
Synergy Internet Services Florida
🇺🇸 US ARIN
→
Wired ISP Inc.
RIPE NCC
63.246.144.0/22inter-RIRTransfer · 2019-04-23
Synergy Internet Services Florida
🇺🇸 US ARIN
→
Wired ISP Inc.
RIPE NCC

Date	Resource	From	To	Type
2025-06-25	63.246.154.0/24	ALSCO 🇺🇸 US ARIN	ALSCO 🇺🇸 US ARIN	M&A
2021-01-28	63.246.153.0/24	Synergy Internet Services Florida 🇺🇸 US ARIN	WiredISP Inc. 🇺🇸 US ARIN	M&A
2021-01-28	63.246.135.0/24	Synergy Internet Services Florida 🇺🇸 US ARIN	WiredISP Inc. 🇺🇸 US ARIN	M&A
2019-10-07	63.246.140.0/23	Synergy Internet Services Florida 🇺🇸 US ARIN	Global Data Vault, L.L.C 🇺🇸 US ARIN	Transfer
2019-09-11	63.246.154.0/24	Synergy Internet Services Florida 🇺🇸 US ARIN	ALSCO 🇺🇸 US ARIN	Transfer
2019-07-11	63.246.155.0/24	Synergy Internet Services Florida 🇺🇸 US ARIN	Dot Foods, Inc. 🇺🇸 US ARIN	Transfer
2019-06-18	63.246.143.0/24	Synergy Internet Services Florida 🇺🇸 US ARIN	Town of Estes Park 🇺🇸 US ARIN	Transfer
2019-06-12	63.246.138.0/24	Synergy Internet Services Florida 🇺🇸 US ARIN	Pillen Family Farms, Inc. 🇺🇸 US ARIN	Transfer
2019-04-23	63.246.148.0/22inter-RIR	Synergy Internet Services Florida 🇺🇸 US ARIN	Wired ISP Inc. RIPE NCC	Transfer
2019-04-23	63.246.144.0/22inter-RIR	Synergy Internet Services Florida 🇺🇸 US ARIN	Wired ISP Inc. RIPE NCC	Transfer

View all 21 transfers →

Geolocation

Country🇺🇸United StatesUS

RegionVirginia

CitySterling

Coordinates39.0067, -77.4291 ↗

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/63.246.128.0/19

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

curl -s "https://api.ipctl.io/v1/prefix/63.246.128.0/19" | jq

External Links

RIPEstat