asn.dev

Autonomous system

AS21555 LHTC

Unclassified ARIN

IPv4 addresses 8.19K 2 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

Laurel Highland Telephone Company

United States of America · AI-generated

telecom rural isp us

LHTC is the AS handle for Laurel Highland Telephone Company.

What it's used for

  • The address space is registered under the netname LHTC-19 for both announced prefixes, indicating a single corporate estate.
  • The network announces 8192 IPv4 addresses across 2 prefixes (64.201.80.0/20 and 74.51.160.0/20) with 2 observed neighbours, a ratio consistent with a regional access or local carrier role.

Notable

  • Registrants for both prefixes match the AS holder, Laurel Highland Telephone Company.
  • The inventory consists of two /20 blocks, representing a modest and contiguous address space typical of a local telephone company.

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

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

2 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS174Cogent Communications, LLC170
AS27364Armstrong62

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-18, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 2 prefixes · 8.19K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America2

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS21555
Registry name
LHTC
Registrant
LAUREL HIGHLAND TELEPHONE COMPANY
Abuse contact
abuse@lhtcbroadband.com
Registered
2001-05-23
Last changed
2016-03-29
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 4 with no ROA
ROAs
0 authorising AS21555
ASPA
no ASPA record
IRR
100% registered · 4 of 4 announcements
Route objects
5 naming AS21555

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 1,784 prefixes, as published 2026-10-19. 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

Cross-check