AS3807 UMTNET-ASN - University of Montana

🇺🇸

ARINassigned

Announced Prefixes (BGP)

30total

29 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)99,328

Announced (BGP)85,760

IPv6 Addresses

Allocated (RIR)3×10²⁶

Announced (BGP)3×10²⁶

Prefix Limit (IPv4)

100

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

1994-09-02

Announced Prefixes

(BGP)30

Prefix	RPKI	IRR	Last Seen
150.131.0.0/16	Valid	Other IRR	2026-10-10
192.73.48.0/24	Valid	Other IRR	2026-10-10
192.160.47.0/24	Valid	ARINOther IRR	2026-10-10
192.207.124.0/24	Valid	ARINOther IRR	2026-10-10
192.231.192.0/24	Valid	ARINOther IRR	2026-10-10
204.62.203.0/24	Valid	Other IRR	2026-10-10
207.196.129.0/24	Valid	Other IRR	2026-10-10
207.196.132.0/22	Valid	Other IRR	2026-10-10
207.196.136.0/22	Valid	Other IRR	2026-10-10
207.196.140.0/22	Valid	Other IRR	2026-10-10

1-10 of 30

1 / 3

(RIR)7

Prefix	Country	RIR	Status
150.131.0.0/16	🇺🇸 US	ARIN	allocated
192.73.48.0/24	🇺🇸 US	ARIN	allocated
192.160.47.0/24	🇺🇸 US	ARIN	allocated
192.207.124.0/24	🇺🇸 US	ARIN	allocated
192.231.192.0/24	🇺🇸 US	ARIN	allocated
207.196.128.0/17	🇺🇸 US	ARIN	allocated
2620:104:8000::/40	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS3807 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

External Links

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS3807 should publish an ASPA object
IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/3807" | jq