7377 UCSD, US
Adjacency: 3 Upstream: 2 Downstream: 1
Upstream Adjacent AS list
AS2153 CENIC-2153, US
AS2152 CENIC-2152, US
Downstream Adjacent AS list
AS26397 OPTIPUTER, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 57 AS7377 ORG+TRN Originate: 12859904 /8.38 Transit: 8192 /19.00 UCSD, 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 % 15718 AS7377 UCSD, US 18 2 0 16 2 11.11% Prefix AS Path Aggregation Suggestion 44.0.0.0/9 2152 7377 44.128.0.0/10 2152 7377 69.166.11.0/24 2152 7377 69.196.32.0/19 2152 7377 69.196.32.0/20 2152 7377 - Withdrawn - matching aggregate 69.196.32.0/19 2152 7377 69.196.40.0/24 2152 7377 - Withdrawn - matching aggregate 69.196.32.0/19 2152 7377 128.54.0.0/16 2152 7377 132.239.0.0/16 2152 7377 137.110.0.0/16 2152 7377 169.228.0.0/16 2152 7377 192.135.237.0/24 2152 7377 192.135.238.0/24 2152 7377 192.154.1.0/24 2152 7377 198.134.135.0/24 2152 7377 207.34.0.0/24 2152 7377 216.21.14.0/24 2152 7377 216.151.34.0/24 2152 7377 216.151.38.0/24 2152 7377
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS7377 3 More Specifics 19 Total Advertisements UCSD, US
44.36.18.0/24 44.0.0.0/9
69.196.32.0/20 69.196.32.0/19
69.196.40.0/24 69.196.32.0/19
137.164.23.52/30 137.164.0.0/16
137.164.23.176/31 137.164.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 44.36.18.0/24 Announced
- 137.164.23.52/30 Withdrawn
- 137.164.23.176/31 Withdrawn
whois: 402590
IANA has recorded AS7377 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS7377\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: 7377
ASName: UCSD
ASHandle: AS7377
RegDate: 1996-11-25
Updated: 2023-12-19
Ref: https://rdap.arin.net/registry/autnum/7377
OrgName: University of California, San Diego
OrgId: UCSD-1-Z
Address: IT Services
Address: 9500 Gilman Dr, #0903
Address: Attn: Hostmaster
City: La Jolla
StateProv: CA
PostalCode: 92093-0903
Country: US
RegDate: 2023-08-23
Updated: 2026-05-15
Ref: https://rdap.arin.net/registry/entity/UCSD-1-Z
OrgRoutingHandle: NOC1807-ARIN
OrgRoutingName: Network Operations Center
OrgRoutingPhone: +1-858-822-0249
OrgRoutingEmail: jmadden@ucsd.edu
OrgRoutingRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN
OrgAbuseHandle: UNA13-ARIN
OrgAbuseName: UCSD Network Abuse
OrgAbusePhone: +1-858-822-0249
OrgAbuseEmail: jmadden@ucsd.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/UNA13-ARIN
OrgDNSHandle: NOC1807-ARIN
OrgDNSName: Network Operations Center
OrgDNSPhone: +1-858-822-0249
OrgDNSEmail: jmadden@ucsd.edu
OrgDNSRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN
OrgAbuseHandle: NOC1807-ARIN
OrgAbuseName: Network Operations Center
OrgAbusePhone: +1-858-822-0249
OrgAbuseEmail: jmadden@ucsd.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN
OrgNOCHandle: NOC1807-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-858-822-0249
OrgNOCEmail: jmadden@ucsd.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN
OrgTechHandle: NOC1807-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-858-822-0249
OrgTechEmail: jmadden@ucsd.edu
OrgTechRef: https://rdap.arin.net/registry/entity/NOC1807-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.
#