asn.dev

Autonomous system

AS23841 TJBTN 6F, No.3 Huatian Road, New Technology Industry Area

Unclassified APNIC

IPv4 addresses 512 2 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly CN
Exchanges 0 recorded by PCH
Upstreams 2 1 downstream
Flagged prefixes 0 none

Summary

China Mobile

China · AI-generated

mobile cellular china cmnet

The AS handle TJBTN is held by China Mobile Communications Group Co., Ltd.

What it's used for

  • The address space carries mobile broadband traffic, evidenced by the CMNET netname and IRT-CHINAMOBILE-CN registrant associated with both announced prefixes.
  • The AS announces 512 IPv4 addresses across 2 prefixes and maintains 3 observed neighbours, a ratio consistent with a mobile access network segment.

Notable

  • The RDAP registrants for both prefixes are China Mobile Communications Group Co., Ltd, which aligns with the operator identity despite the generic TJBTN AS handle.
  • The inventory consists of two /24 blocks (111.31.196.0/24 and 111.31.239.0/24) located in China, with no IPv6 prefixes in the inventory.

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, 1 downstream and 4 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS38019tianjin Mobile Communication Company Limited118
AS146788China Broadcasting Network Co., Ltd22

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 · 512 addresses IPv6 0 prefixes

CountryNamePrefixes
CNChina2

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS23841
Registry name
TJBTN
Abuse contact
82716589@qq.com
Registered
2008-09-04
Last changed
2021-11-01
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 9 valid, 0 with no ROA
ROAs
9 authorising AS23841
ASPA
no ASPA record
IRR
11% registered · 1 of 9 announcements
Route objects
2 naming AS23841

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