AS36375 UMICH-AS-5 - University of Michigan

🇺🇸

ARINassigned

Announced Prefixes (BGP)

26total

25 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)328,448

Announced (BGP)828,160

IPv6 Addresses

Allocated (RIR)1.5×10²⁹

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

500

Prefix Limit (IPv6)

Country

RIR

Status

assigned

Allocated

2005-12-16

Announced Prefixes

(BGP)26

Prefix	RPKI	IRR	Last Seen
35.0.0.0/16	Valid	Other IRR	2026-10-11
35.1.0.0/16	Valid	Other IRR	2026-10-11
35.2.0.0/16	Valid	Other IRR	2026-10-11
35.3.0.0/16	Valid	Other IRR	2026-10-11
35.4.0.0/16	Valid	Other IRR	2026-10-11
35.5.0.0/16	Valid	Other IRR	2026-10-11
35.6.0.0/16	Valid	Other IRR	2026-10-11
35.7.0.0/18	Valid	Other IRR	2026-10-11
35.7.128.0/18	Valid	Other IRR	2026-10-11
67.194.0.0/16	Valid	Other IRR	2026-10-11

1-10 of 26

1 / 3

(RIR)10

Prefix	Country	RIR	Status
67.194.0.0/16	🇺🇸 US	ARIN	allocated
141.211.0.0/16	🇺🇸 US	ARIN	allocated
141.212.0.0/16	🇺🇸 US	ARIN	allocated
141.213.0.0/16	🇺🇸 US	ARIN	allocated
141.214.0.0/16	🇺🇸 US	ARIN	allocated
192.12.80.0/24	🇺🇸 US	ARIN	allocated
192.206.53.0/24	🇺🇸 US	ARIN	allocated
192.231.253.0/24	🇺🇸 US	ARIN	allocated
2605:42c0::/32	🇺🇸 US	ARIN	allocated
2607:f018::/32	🇺🇸 US	ARIN	allocated

(seen in AS paths)

Networks AS36375 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 AS36375 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/36375" | jq