Autonomous system
AS32621 TCV-511
Hosting ARIN
Summary
Twin City VoIP
voip business telecom
TCV-511 is operated by Twin City VoIP, Inc.
What it's used for
- The address space carries VoIP and business communication services, evidenced by netnames
TWINCITYVOIP1andCMA1-TCVOIP-1associated with the registrant Twin City VoIP, Inc. - The AS announces 1792 IPv4 addresses across 4 prefixes and 1 IPv6 prefix, while maintaining 118 observed neighbours; this ratio of modest address inventory against a high neighbour count indicates a transit or interconnection role rather than a large-scale access network.
Notable
- Registrants largely align with the announcer, with Twin City VoIP, Inc. listed for three of the four IPv4 prefixes, though
198.137.142.0/24is registered to Flo-Chart Software Systems, Inc. under the netnameFLOCHART. - The address inventory is composed of four distinct IPv4 blocks and one IPv6 block, with the largest block being
192.69.76.0/22.
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
Recorded at 7 exchanges in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| Seattle Internet Exchange | Seattle, United States | 206.81.81.119 |
| Fremont Cabal Internet Exchange | Fremont, United States | 206.80.238.46 |
| Midwest Internet Cooperative Exchange | Minneapolis, United States | 206.108.255.11 |
| Interconnection eXchange Denver | Denver, United States | 206.53.175.200 |
| Kansas City Internet Exchange | Kansas City, United States | 206.51.7.63 |
| Quad Cities Internet Exchange | Davenport, United States | 206.83.43.5 |
| Milwaukee Internet Exchange | Milwaukee, United States | 204.107.122.42 |
Transit providers
7 upstream, 7 downstream and 19 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 4 prefixes · 1.79K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 5 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS32621- Registry name
- TCV-511
- Registrant
- Twin City VoIP, Inc.
- Abuse contact
- jlumby@twincityvoip.com
- Registered
- 2010-07-22
- Last changed
- 2012-02-24
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 13% valid · 1 valid, 7 with no ROA
- ROAs
- 2 authorising AS32621
- ASPA
- no ASPA record
- IRR
- 88% registered · 7 of 8 announcements
- Route objects
- 10 naming AS32621
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
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: 431 networks and 1,768 prefixes, as published 2026-10-12. 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