Autonomous system
AS4913 NET-CPRK
Unclassified ARIN
Summary
Speedcast Communications (formerly CapRock Communications)
enterprise legacy
NET-CPRK is held by Speedcast Communications, Inc, a remote-communications provider based in Houston, Texas. The handle preserves the name of CapRock Communications, the satellite communications company whose network this originally was.
What it's used for
- Carries connectivity for remote sites that terrestrial networks do not reach: offshore energy platforms, vessels, mining and other isolated operations served over satellite.
- The address space is assigned to customer sites and terminals rather than to residential subscribers, so it reads as enterprise remote connectivity rather than an eyeball network.
Notable
- The
CPRKhandle is a fossil. CapRock passed to Harris and then to Speedcast, but the registry handle never changed. This is a good example of a handle outliving its original holder. - Unlike most of its numeric neighbours, this ASN's ARIN registration dates to the mid-1990s and has stayed within the same network lineage rather than being reclaimed and reissued.
Interesting
- Satellite-served address space behaves unusually from an IP-geolocation standpoint: an address routed here can appear at a Houston teleport while the actual user is on a rig or ship thousands of kilometres away.
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 2 exchanges in 2 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| Megaport IX Perth | Perth, Australia | 202.12.243.10 |
| MegaPort IX Singapore | Singapore, Singapore | 103.41.12.7 |
Transit providers
11 upstream, 1 downstream and 12 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 2026-10-18, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 55 prefixes · 28.43K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 55 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS4913- Registry name
- NET-CPRK
- Registrant
- Speedcast Communications, Inc
- Abuse contact
- network.abuse@speedcast.com
- Registered
- 1995-05-04
- Last changed
- 2012-03-02
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 96% valid · 68 valid, 3 with no ROA
- ROAs
- 67 authorising AS4913
- ASPA
- no ASPA record
- IRR
- 99% registered · 70 of 71 announcements
- Route objects
- 126 naming AS4913
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