Autonomous system
AS17378 AS17378 - TierPoint, LLC
Hosting ARIN
Summary
TierPoint
hosting colocation enterprise nsp
AS17378 is operated by TierPoint, LLC.
What it's used for
- The address space carries a mix of enterprise and government customers, evidenced by netnames such as
DSAC(Dassault Systemes Americas Corp.),WESTPS(West Pharmaceutical Services, Inc.),PSCNET(Progress Software), andSCK12(State of South Carolina; CIO). - With 832,768 IPv4 addresses announced across 426 prefixes and 179 observed neighbours, the high neighbour count relative to the address inventory indicates a transit or network service provider role rather than a simple access network.
Notable
- Registrants include TierPoint, LLC, Dassault Systemes Americas Corp., West Pharmaceutical Services, Inc., Progress Software, State of South Carolina; CIO, and OUTSCALE INC, reflecting a diverse customer base or historical acquisitions.
- The inventory consists of 426 IPv4 prefixes and 59 IPv6 prefixes, with the largest blocks being /16s and /18s, suggesting a substantial and segmented address estate.
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 9 exchanges in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| Equinix Internet Exchange Ashburn | Ashburn, United States | 206.126.237.127 |
| Seattle Internet Exchange | Seattle, United States | 206.81.80.20 |
| DE-CIX New York | New York, United States | 206.82.104.158 |
| Equinix Internet Exchange Chicago | Chicago, United States | 208.115.137.85 |
| New York International Internet Exchange | New York, United States | 198.32.160.163 |
| DE-CIX Dallas | Dallas, United States | 206.53.202.41 |
| DE-CIX Chicago | Chicago, United States | 149.112.11.56 |
| Megaport Dallas | Dallas, United States | 206.53.174.8 |
Transit providers
23 upstream, 123 downstream and 168 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 2026-10-10, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 430 prefixes · 824K addresses IPv6 59 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 489 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS17378- Registry name
- AS17378
- Registrant
- TierPoint, LLC
- Abuse contact
- abuse@tierpoint.com
- Registered
- 2000-08-24
- Last changed
- 2018-10-09
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 79% valid · 348 valid, 93 with no ROA
- ROAs
- 131 authorising AS17378
- ASPA
- no ASPA record
- IRR
- 99.8% registered · 440 of 441 announcements
- Route objects
- 536 naming AS17378
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 1,775 prefixes, as published 2026-10-11. 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