557 UMAINE-SYS-AS, US
Adjacency: 10 Upstream: 5 Downstream: 5
Upstream Adjacent AS list
AS11164 INTERNET2-I2PX, US
AS13536 TVC-AS1, US
AS6939 HURRICANE, US
AS174 COGENT-174, US
AS11537 INTERNET2-RESEARCH-EDU, US
Downstream Adjacent AS list
AS14789 CLOUDFLARENET-A, US
AS17152 BATES, US
AS22847 BOWDOIN, US
AS6056 COLBY, US
AS55032 JAXNET-BH-01, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 973 AS557 ORG+TRN Originate: 292864 /13.84 Transit: 134144 /14.97 UMAINE-SYS-AS, 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 % 20385 AS557 UMAINE-SYS-AS, US 17 1 0 16 1 5.88% Prefix AS Path Aggregation Suggestion 64.45.64.0/18 11537 557 65.18.0.0/18 11537 557 65.18.64.0/19 11537 557 65.18.96.0/20 11537 557 130.111.0.0/16 11537 557 141.114.0.0/16 11537 557 169.244.0.0/16 11537 557 198.148.217.0/24 11537 557 198.182.161.0/24 11537 557 198.182.162.0/23 11537 557 198.202.151.0/24 11537 557 199.33.141.0/24 11537 557 204.137.240.0/24 11537 557 204.197.0.0/17 11537 557 207.166.224.0/19 11537 557 209.222.192.0/19 11537 557 209.222.192.0/24 11537 557 - Withdrawn - matching aggregate 209.222.192.0/19 11537 557
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS557 3 More Specifics 17 Total Advertisements UMAINE-SYS-AS, US
198.148.217.0/24 198.148.216.0/23
204.137.232.0/23 204.137.224.0/19
204.137.234.0/24 204.137.224.0/19
whois: 402603
IANA has recorded AS557 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS557\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# 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: 557
ASName: UMAINE-SYS-AS
ASHandle: AS557
RegDate: 1989-12-13
Updated: 2026-05-19
Ref: https://rdap.arin.net/registry/autnum/557
OrgName: University of Maine System
OrgId: UMAN-Z
Address: ITS Computing Center
Address: 5752 Neville Hall
Address: University of Maine
City: Orono
StateProv: ME
PostalCode: 04469-5752
Country: US
RegDate: 2019-08-07
Updated: 2026-05-19
Ref: https://rdap.arin.net/registry/entity/UMAN-Z
OrgAbuseHandle: NAR5-ARIN
OrgAbuseName: Network Abuse Reports
OrgAbusePhone: +1-207-581-3587
OrgAbuseEmail: abuse@maine.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/NAR5-ARIN
OrgRoutingHandle: RPS32-ARIN
OrgRoutingName: Soucy, Ray Patrick
OrgRoutingPhone: +1-207-581-3526
OrgRoutingEmail: rps@maine.edu
OrgRoutingRef: https://rdap.arin.net/registry/entity/RPS32-ARIN
OrgNOCHandle: UNOC-ARIN
OrgNOCName: UNET Network Operations Center
OrgNOCPhone: +1-207-581-3587
OrgNOCEmail: support@maine.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/UNOC-ARIN
OrgRoutingHandle: BEANJ12-ARIN
OrgRoutingName: Bean, Jonathan
OrgRoutingPhone: +1-207-780-4392
OrgRoutingEmail: jonathan.bean@maine.edu
OrgRoutingRef: https://rdap.arin.net/registry/entity/BEANJ12-ARIN
OrgAbuseHandle: BEANJ12-ARIN
OrgAbuseName: Bean, Jonathan
OrgAbusePhone: +1-207-780-4392
OrgAbuseEmail: jonathan.bean@maine.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/BEANJ12-ARIN
OrgTechHandle: RPS32-ARIN
OrgTechName: Soucy, Ray Patrick
OrgTechPhone: +1-207-581-3526
OrgTechEmail: rps@maine.edu
OrgTechRef: https://rdap.arin.net/registry/entity/RPS32-ARIN
OrgAbuseHandle: RPS32-ARIN
OrgAbuseName: Soucy, Ray Patrick
OrgAbusePhone: +1-207-581-3526
OrgAbuseEmail: rps@maine.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/RPS32-ARIN
OrgTechHandle: BEANJ12-ARIN
OrgTechName: Bean, Jonathan
OrgTechPhone: +1-207-780-4392
OrgTechEmail: jonathan.bean@maine.edu
OrgTechRef: https://rdap.arin.net/registry/entity/BEANJ12-ARIN
RTechHandle: RPS32-ARIN
RTechName: Soucy, Ray Patrick
RTechPhone: +1-207-581-3526
RTechEmail: rps@maine.edu
RTechRef: https://rdap.arin.net/registry/entity/RPS32-ARIN
RTechHandle: BEANJ12-ARIN
RTechName: Bean, Jonathan
RTechPhone: +1-207-780-4392
RTechEmail: jonathan.bean@maine.edu
RTechRef: https://rdap.arin.net/registry/entity/BEANJ12-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.
#