Autonomous system
AS19157 CHARTER-19157-DC
Unclassified ARIN
Summary
Charter Communications
cable residential spectrum infrastructure
The AS handle CHARTER-19157-DC is operated by Charter Communications LLC.
What it's used for
- The address space carries infrastructure endpoints for the Spectrum brand, evidenced by reverse DNS records such as
syn-023-086-018-000.inf.spectrum.comand netnames likeCHARTER-NET-BHN1. - The AS announces 4352 IPv4 addresses across 5 prefixes while maintaining only 3 observed neighbours, a ratio indicative of an access or eyeball network rather than a transit provider.
Notable
- All registrants for the announced prefixes are Charter Communications LLC, matching the AS holder.
- The inventory consists of five IPv4 prefixes with no IPv6 prefixes in the inventory, including blocks in the 23.86.0.0/16 and 47.42.0.0/16 ranges.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 5 prefixes · 4.35K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 5 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS19157- Registry name
- CHARTER-19157-DC
- Registrant
- Charter Communications LLC
- Abuse contact
- abuse@charter.net
- Registered
- 2000-11-29
- Last changed
- 2018-11-20
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 100% valid · 10 valid, 0 with no ROA
- ROAs
- 33 authorising AS19157
- ASPA
- no ASPA record
- IRR
- 30% registered · 3 of 10 announcements
- Route objects
- 15 naming AS19157
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,772 prefixes, as published 2026-10-15. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere