asn.dev

Autonomous system

AS18697 AS18697 - GREEN MOUNTAIN POWER CORPORATION

Unclassified ARIN

IPv4 addresses 66.05K 33 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly US
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Green Mountain Power

United States of America · AI-generated

utility business corporate infrastructure

AS18697 is operated by Green Mountain Power Corporation.

What it's used for

  • The address space is registered under the netname GMP170 with the registrant GREEN MOUNTAIN POWER CORPORATION, indicating a corporate internal network for the electric utility.
  • The AS announces 66048 IPv4 addresses across 33 prefixes, all within the 170.46.0.0/16 range, while maintaining only 1 observed neighbour, a ratio characteristic of a private corporate estate rather than a transit or access provider.

Notable

  • All sampled registrants align with the announcer, consistently listing GREEN MOUNTAIN POWER CORPORATION for prefixes such as 170.46.64.0/18 and 170.46.32.0/19.
  • The inventory consists of finely subdivided IPv4 blocks, including /18, /19, /20, /21, /22, /23, and /24 prefixes, reflecting site-by-site segmentation typical of large utility infrastructure.

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

1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS13536FirstLight Fiber, Inc.441

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 33 prefixes · 66.05K addresses IPv6 0 prefixes

CountryNamePrefixes
USUnited States of America33

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS18697
Registry name
AS18697
Registrant
GREEN MOUNTAIN POWER CORPORATION
Abuse contact
michael.conlogue@greenmountainpower.com
Registered
2018-09-24
Last changed
2018-09-24
Allocation
assigned

Routing security

RPKI and IRR

Full detail
RPKI
11% valid · 1 valid, 8 with no ROA
ROAs
1 authorising AS18697
ASPA
no ASPA record
IRR
100% registered · 9 of 9 announcements
Route objects
10 naming AS18697

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