asn.dev

Autonomous system

AS12261 DEKALB

Unclassified ARIN

IPv4 addresses 15.87K 6 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 2 0 downstream
Flagged prefixes 0 none

Summary

DTC Communications

United States · AI-generated

isp residential eyeball legacy

DTC Communications is a middle Tennessee telephone cooperative, originally the DeKalb Telephone Cooperative, providing phone, internet and video to its members.

What it's used for

  • Residential and business broadband across rural counties. Sampled addresses answer as host-208-118-203-254.dtccom.net.

Notable

  • Some of the announced space answers under blomand.net instead, with names like occm-254.dhcp.grp3-rng1.tnmmvl.blomand.net. That is Ben Lomand Connect, a neighbouring Tennessee cooperative, and tnmmvl encodes McMinnville, one of its towns. Two co-ops sharing routing infrastructure is a common arrangement in rural telecoms, where neither has the scale to run everything alone.
  • 15,600 addresses over nine prefixes with two observed BGP neighbours. A small access network with a small external surface.
  • The blocks split into two registry generations: DTCCOM-NET on the older space, and a plainly numbered 137-119-208-0-20 netname on the more recent 137.119 allocations.

Interesting

  • The AS handle is still DEKALB, naming the county the cooperative was founded to serve before it renamed itself to something less parochial. The routing table is one of the few places the original name survives.

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 3 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS11758IRIS Networks1,532
AS19331Twin Lakes Telephone Cooperative Corporation256

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 6 prefixes · 15.87K addresses IPv6 1 prefixes

CountryNamePrefixes
USUnited States of America7

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS12261
Registry name
DEKALB
Registrant
DTC Communications, Inc.
Abuse contact
violations@dtccom.net
Registered
1999-05-04
Last changed
2019-01-24
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 30 valid, 0 with no ROA
ROAs
15 authorising AS12261
ASPA
no ASPA record
IRR
100% registered · 30 of 30 announcements
Route objects
41 naming AS12261

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: 443 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