Autonomous system
AS15027 FH-ASN-15027
Unclassified APNIC
Summary
Foley Hoag
business enterprise
Two blocks the firm owns, answering under two carriers' domains.
What it's used for
- A law firm's network. Three IPv4
/24blocks announced from the United States, no IPv6, and two observed BGP neighbours.
Notable
- Two blocks are registered to the firm, under the netnames
MB367410-LANandNET-144-121-27-0-24. The third carries the carrier netnameCOGENT-A. - Both of the firm's own blocks publish reverse names under a carrier's domain rather than the firm's: one answers
host-64-47-15-64.masergy.comand the other144.121.27.64.lightower.net. - Those two carriers are different from each other and from the one holding the third block.
- The AS handle is
FH-ASN-15027, which embeds the AS number inside the AS handle. - Six of nine sampled addresses returned a name.
Interesting
- Owning the address space and letting the carrier own the reverse zone is a common split and a quietly consequential one. The registry says the firm holds these blocks; the DNS says a carrier operates them, and anything reading names rather than registrations will attribute the traffic to the wrong organisation.
- Three blocks, three different carriers touching them, is more supplier churn than a network this size usually shows. Each one left its mark in a different field.
- One netname is an account number with a network type appended; the other is the address written out. Neither says anything about the firm, so the registrant field is the only place the holder appears.
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
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-17, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 3 prefixes · 768 addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 3 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS15027- Registry name
- FH-ASN-15027
- Registrant
- Foley Hoag LLP
- Abuse contact
- abuse@foleyhoag.com
- Registered
- 2018-06-06
- Last changed
- 2018-06-06
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 3 with no ROA
- ROAs
- 0 authorising AS15027
- ASPA
- no ASPA record
- IRR
- 33% registered · 1 of 3 announcements
- Route objects
- 1 naming AS15027
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 1,783 prefixes, as published 2026-10-17. 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