| AS Number | 21508 |
|---|---|
| AS Name | COMCAST-21508 |
| Organization | Comcast Cable Communications, LLC(cccs) |
| Country | US |
| Website | comcast.com |
| Number of IPv4 Routes | 27 |
| Number of IPv6 Routes | 88 |
| ASN type | ISP |
| Allocation Status | assigned |
| Registry | ARIN |
| Date Allocated | N/A |
| Route | # IPs |
|---|---|
| 2001:559:c10a::/48 | ~1×10²⁴ |
| 2001:559:c4db::/48 | ~1×10²⁴ |
| 2001:559:42b::/48 | ~1×10²⁴ |
| 2001:559:7db::/48 | ~1×10²⁴ |
| 2001:559:7a7::/48 | ~1×10²⁴ |
| 2001:559:804c::/48 | ~1×10²⁴ |
| 2001:559:54d::/48 | ~1×10²⁴ |
| 2001:559:5c9::/48 | ~1×10²⁴ |
| 157.240.147.0/24 | 256 |
| buy plan | ~1×10²⁴ |
| buy plan | ~1×10²⁴ |
| buy plan | ~1×10²⁴ |
| buy plan | 65536 |
| buy plan | ~1×10²⁴ |
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
ASNumber: 21508
ASName: COMCAST-21508
ASHandle: AS21508
RegDate: 2001-05-16
Updated: 2021-01-25
Ref: https://rdap.arin.net/registry/autnum/21508
OrgName: Comcast Cable Communications, LLC
OrgId: CCCS
Address: 1800 Bishops Gate Blvd
City: Mt Laurel
StateProv: NJ
PostalCode: 08054
Country: US
RegDate: 2001-09-18
Updated: 2020-11-18
Ref: https://rdap.arin.net/registry/entity/CCCS
OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName: Routing
OrgRoutingPhone: +1-856-792-2300
OrgRoutingEmail: routing@comcast.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI25-ARIN
OrgAbuseHandle: NAPO-ARIN
OrgAbuseName: Network Abuse and Policy Observance
OrgAbusePhone: +1-888-565-4329
OrgAbuseEmail: abuse@comcast.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/NAPO-ARIN
OrgTechHandle: IC161-ARIN
OrgTechName: Comcast Cable Communications Inc
OrgTechPhone: +1-856-792-2300
OrgTechEmail: CNIPEO-Ip-registration@cable.comcast.com
OrgTechRef: https://rdap.arin.net/registry/entity/IC161-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
| AS Number | Description | Country |
|---|---|---|
| AS14583 | Virginia Information Technologies Agency VITA | US |
| AS394276 | TurnAround Factor, Inc. | US |
| AS393591 | Gamewood Technology Group, Inc. | US |
| AS395441 | EdgeConneX, INC | US |
| AS393415 | LITTLER MENDELSON, P.C. | US |
| AS397190 | WSP | US |
| AS400114 | Apogee Telecom Inc. | US |
| AS23209 | Virginia Housing Development Authority | US |
| AS399232 | Seton Home Study School | US |
| AS36364 | Mary Washington Hospital, Inc. | US |
| AS10794 | Bank of America, National Association | US |
| AS30299 | THE MARTIN AGENCY | US |
| AS54883 | City of Richmond, Virginia | US |
| AS15173 | Newmarket Corporation | US |
| AS27341 | Gannet Fleming, Inc. | US |
| AS2134 | Santander Global Technology, S.L.U | ES |
| AS15297 | EPLUS, Inc. | US |
| AS396083 | Framatome Inc. | US |
| AS396452 | Loudoun Water | US |
| buy plan | County of Chesterfield | US |
| buy plan | Stihl Inc. | US |
| buy plan | WorldStrides | US |
| buy plan | Crutchfield New Media LLC | US |
| buy plan | HP Hood | US |
| AS Number | Description | Country |
|---|---|---|
| AS7922 | Comcast Cable Communications, LLC | US |
| AS Number | Description | Country |
|---|---|---|
| AS36244 | Shenandoah Valley Electric Cooperative | US |
| AS14583 | Virginia Information Technologies Agency VITA | US |
| AS18773 | County of Henrico | US |
| AS394276 | TurnAround Factor, Inc. | US |
| AS40641 | MGW Telephone Company, Inc. | US |
| AS40485 | SANDY SPRING BANK | US |
| AS19923 | Shenandoah University | US |
| AS393591 | Gamewood Technology Group, Inc. | US |
| AS395772 | Augusta Health Care, Inc | US |
| AS395441 | EdgeConneX, INC | US |
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