
3807 UMTNET-ASN, US
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS11164 INTERNET2-I2PX, US
AS101 WASH-NSF-AS, US
AS11537 INTERNET2-RESEARCH-EDU, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2582 AS3807 ORIGIN Originate: 85760 /15.61 Transit: 0 /0.00 UMTNET-ASN, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 6404 AS3807 UMTNET-ASN, US 29 11 4 22 7 24.14% Prefix AS Path Aggregation Suggestion 150.131.0.0/16 11537 3807 192.73.48.0/24 11537 3807 192.160.47.0/24 11537 3807 192.207.124.0/24 11537 3807 192.231.192.0/24 11537 3807 204.62.203.0/24 11537 3807 207.196.129.0/24 11537 3807 207.196.132.0/22 11537 3807 207.196.136.0/21 11537 3807 + Announce - aggregate of 207.196.136.0/22 (11537 3807) and 207.196.140.0/22 (11537 3807) 207.196.136.0/22 11537 3807 - Withdrawn - aggregated with 207.196.140.0/22 (11537 3807) 207.196.140.0/22 11537 3807 - Withdrawn - aggregated with 207.196.136.0/22 (11537 3807) 207.196.144.0/22 11537 3807 207.196.148.0/23 11537 3807 207.196.153.0/24 11537 3807 207.196.154.0/23 11537 3807 207.196.156.0/22 11537 3807 + Announce - aggregate of 207.196.156.0/23 (11537 3807) and 207.196.158.0/23 (11537 3807) 207.196.156.0/23 11537 3807 - Withdrawn - aggregated with 207.196.158.0/23 (11537 3807) 207.196.158.0/23 11537 3807 - Withdrawn - aggregated with 207.196.156.0/23 (11537 3807) 207.196.167.0/24 11537 3807 207.196.168.0/21 11537 3807 + Announce - aggregate of 207.196.168.0/22 (11537 3807) and 207.196.172.0/22 (11537 3807) 207.196.168.0/22 11537 3807 - Withdrawn - aggregated with 207.196.172.0/22 (11537 3807) 207.196.172.0/23 11537 3807 - Withdrawn - aggregated with 207.196.174.0/23 (11537 3807) 207.196.174.0/24 11537 3807 - Withdrawn - aggregated with 207.196.175.0/24 (11537 3807) 207.196.175.0/24 11537 3807 - Withdrawn - aggregated with 207.196.174.0/24 (11537 3807) 207.196.176.0/23 11537 3807 207.196.178.0/24 11537 3807 207.196.180.0/22 11537 3807 207.196.184.0/21 11537 3807 207.196.192.0/20 11537 3807 + Announce - aggregate of 207.196.192.0/21 (11537 3807) and 207.196.200.0/21 (11537 3807) 207.196.192.0/21 11537 3807 - Withdrawn - aggregated with 207.196.200.0/21 (11537 3807) 207.196.200.0/22 11537 3807 - Withdrawn - aggregated with 207.196.204.0/22 (11537 3807) 207.196.204.0/22 11537 3807 - Withdrawn - aggregated with 207.196.200.0/22 (11537 3807) 207.196.240.0/21 11537 3807
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS3807 24 More Specifics 29 Total Advertisements UMTNET-ASN, US
204.62.203.0/24 204.62.202.0/23
207.196.129.0/24 207.196.128.0/17
207.196.132.0/22 207.196.128.0/17
207.196.136.0/22 207.196.128.0/17
207.196.140.0/22 207.196.128.0/17
207.196.144.0/22 207.196.128.0/17
207.196.148.0/23 207.196.128.0/17
207.196.153.0/24 207.196.128.0/17
207.196.154.0/23 207.196.128.0/17
207.196.156.0/23 207.196.128.0/17
207.196.158.0/23 207.196.128.0/17
207.196.167.0/24 207.196.128.0/17
207.196.168.0/22 207.196.128.0/17
207.196.172.0/23 207.196.128.0/17
207.196.174.0/24 207.196.128.0/17
207.196.175.0/24 207.196.128.0/17
207.196.176.0/23 207.196.128.0/17
207.196.178.0/24 207.196.128.0/17
207.196.180.0/22 207.196.128.0/17
207.196.184.0/21 207.196.128.0/17
207.196.192.0/21 207.196.128.0/17
207.196.200.0/22 207.196.128.0/17
207.196.204.0/22 207.196.128.0/17
207.196.240.0/21 207.196.128.0/17
whois: 402603
IANA has recorded AS3807 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS3807\n
#
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# available at: https://www.arin.net/resources/registry/whois/tou/
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# If you see inaccuracies in the results, please report at
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 3807
ASName: UMTNET-ASN
ASHandle: AS3807
RegDate: 1994-09-02
Updated: 2012-04-02
Ref: https://rdap.arin.net/registry/autnum/3807
OrgName: University of Montana
OrgId: UNIVER-12-Z
Address: The University of Montana
Address: Information Technology
Address: Network Services
Address: Social Science Room 126
City: Missoula
StateProv: MT
PostalCode: 59812
Country: US
RegDate: 2010-06-17
Updated: 2026-06-09
Ref: https://rdap.arin.net/registry/entity/UNIVER-12-Z
OrgTechHandle: UMTNE-ARIN
OrgTechName: UMT-NETADMIN
OrgTechPhone: +1-406-243-2619
OrgTechEmail: netadmin@umontana.edu
OrgTechRef: https://rdap.arin.net/registry/entity/UMTNE-ARIN
OrgAbuseHandle: UMTAB-ARIN
OrgAbuseName: UMT-Abuse-POC
OrgAbusePhone: +1-406-243-4357
OrgAbuseEmail: abuse@umt.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/UMTAB-ARIN
OrgNOCHandle: UMTNE-ARIN
OrgNOCName: UMT-NETADMIN
OrgNOCPhone: +1-406-243-2619
OrgNOCEmail: netadmin@umontana.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/UMTNE-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#