This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS33631 100 More Specifics 100 Total Advertisements PARC-ASN, US
13.0.40.0/23 13.0.0.0/12
13.0.192.0/19 13.0.0.0/12
13.0.192.0/20 13.0.0.0/12
13.0.200.0/21 13.0.0.0/12
13.0.208.0/20 13.0.0.0/12
13.0.208.0/21 13.0.0.0/12
13.0.208.0/23 13.0.0.0/12
13.0.210.0/23 13.0.0.0/12
13.1.64.0/18 13.0.0.0/12
13.1.64.0/21 13.0.0.0/12
13.1.64.0/23 13.0.0.0/12
13.1.96.0/20 13.0.0.0/12
13.1.96.0/21 13.0.0.0/12
13.1.100.0/23 13.0.0.0/12
13.1.102.0/23 13.0.0.0/12
13.1.104.0/21 13.0.0.0/12
13.1.110.0/23 13.0.0.0/12
13.1.120.0/22 13.0.0.0/12
13.1.136.0/21 13.0.0.0/12
13.1.136.0/23 13.0.0.0/12
13.1.138.0/23 13.0.0.0/12
13.1.160.0/20 13.0.0.0/12
13.1.168.0/21 13.0.0.0/12
13.1.168.0/23 13.0.0.0/12
13.1.170.0/23 13.0.0.0/12
13.2.0.0/18 13.0.0.0/12
13.2.0.0/20 13.0.0.0/12
13.2.8.0/21 13.0.0.0/12
13.2.12.0/23 13.0.0.0/12
13.2.14.0/23 13.0.0.0/12
13.2.16.0/20 13.0.0.0/12
13.2.16.0/21 13.0.0.0/12
13.2.16.0/23 13.0.0.0/12
13.2.18.0/23 13.0.0.0/12
13.2.20.0/23 13.0.0.0/12
13.2.32.0/20 13.0.0.0/12
13.2.40.0/21 13.0.0.0/12
13.2.40.0/23 13.0.0.0/12
13.2.112.0/20 13.0.0.0/12
13.2.112.0/21 13.0.0.0/12
13.2.116.0/23 13.0.0.0/12
13.2.118.0/23 13.0.0.0/12
13.3.160.0/20 13.0.0.0/12
13.3.160.0/21 13.0.0.0/12
13.3.160.0/23 13.0.0.0/12
13.4.0.0/18 13.0.0.0/12
13.4.0.0/23 13.0.0.0/12
13.4.2.0/23 13.0.0.0/12
13.4.8.0/22 13.0.0.0/12
13.4.12.0/22 13.0.0.0/12
13.4.16.0/22 13.0.0.0/12
13.4.40.0/22 13.0.0.0/12
13.4.44.0/22 13.0.0.0/12
13.4.48.0/22 13.0.0.0/12
13.4.64.0/22 13.0.0.0/12
13.4.65.0/24 13.0.0.0/12
13.4.66.0/24 13.0.0.0/12
13.4.100.0/24 13.0.0.0/12
13.4.101.0/24 13.0.0.0/12
13.5.8.0/22 13.0.0.0/12
13.5.100.0/22 13.0.0.0/12
13.6.0.0/22 13.0.0.0/12
13.6.0.0/23 13.0.0.0/12
13.7.0.0/16 13.0.0.0/12
13.7.0.0/20 13.0.0.0/12
13.7.0.0/24 13.0.0.0/12
13.7.8.0/21 13.0.0.0/12
13.7.8.0/23 13.0.0.0/12
13.7.10.0/23 13.0.0.0/12
13.7.16.0/22 13.0.0.0/12
13.7.16.0/23 13.0.0.0/12
13.7.24.0/23 13.0.0.0/12
13.7.26.0/23 13.0.0.0/12
13.7.28.0/22 13.0.0.0/12
13.7.32.0/22 13.0.0.0/12
13.7.36.0/22 13.0.0.0/12
13.7.40.0/22 13.0.0.0/12
13.7.40.0/23 13.0.0.0/12
13.7.64.0/20 13.0.0.0/12
13.7.64.0/21 13.0.0.0/12
13.7.64.0/22 13.0.0.0/12
13.7.96.0/23 13.0.0.0/12
13.7.132.0/22 13.0.0.0/12
13.7.132.0/23 13.0.0.0/12
13.7.140.0/22 13.0.0.0/12
13.7.148.0/22 13.0.0.0/12
13.7.152.0/24 13.0.0.0/12
13.7.160.0/23 13.0.0.0/12
13.7.162.0/23 13.0.0.0/12
13.7.164.0/22 13.0.0.0/12
13.7.168.0/22 13.0.0.0/12
13.7.172.0/22 13.0.0.0/12
13.7.176.0/22 13.0.0.0/12
13.7.180.0/22 13.0.0.0/12
13.7.184.0/22 13.0.0.0/12
13.7.188.0/22 13.0.0.0/12
13.7.192.0/22 13.0.0.0/12
13.7.196.0/22 13.0.0.0/12
13.7.200.0/24 13.0.0.0/12
13.7.255.0/24 13.0.0.0/12
128.57.208.0/21 128.57.0.0/16
130.107.128.0/17 130.107.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 13.0.40.0/23 Announced
+ 13.0.192.0/19 Announced
+ 13.0.192.0/20 Announced
+ 13.0.200.0/21 Announced
+ 13.0.208.0/20 Announced
+ 13.0.208.0/21 Announced
+ 13.0.208.0/23 Announced
+ 13.0.210.0/23 Announced
+ 13.1.64.0/18 Announced
+ 13.1.64.0/21 Announced
+ 13.1.64.0/23 Announced
+ 13.1.96.0/20 Announced
+ 13.1.96.0/21 Announced
+ 13.1.100.0/23 Announced
+ 13.1.102.0/23 Announced
+ 13.1.104.0/21 Announced
+ 13.1.110.0/23 Announced
+ 13.1.120.0/22 Announced
+ 13.1.136.0/21 Announced
+ 13.1.136.0/23 Announced
+ 13.1.138.0/23 Announced
+ 13.1.160.0/20 Announced
+ 13.1.168.0/21 Announced
+ 13.1.168.0/23 Announced
+ 13.1.170.0/23 Announced
+ 13.2.0.0/18 Announced
+ 13.2.0.0/20 Announced
+ 13.2.8.0/21 Announced
+ 13.2.12.0/23 Announced
+ 13.2.14.0/23 Announced
+ 13.2.16.0/20 Announced
+ 13.2.16.0/21 Announced
+ 13.2.16.0/23 Announced
+ 13.2.18.0/23 Announced
+ 13.2.20.0/23 Announced
+ 13.2.32.0/20 Announced
+ 13.2.40.0/21 Announced
+ 13.2.40.0/23 Announced
+ 13.2.112.0/20 Announced
+ 13.2.112.0/21 Announced
+ 13.2.116.0/23 Announced
+ 13.2.118.0/23 Announced
+ 13.3.160.0/20 Announced
+ 13.3.160.0/21 Announced
+ 13.3.160.0/23 Announced
+ 13.4.0.0/18 Announced
+ 13.4.0.0/23 Announced
+ 13.4.2.0/23 Announced
+ 13.4.8.0/22 Announced
+ 13.4.12.0/22 Announced
+ 13.4.16.0/22 Announced
+ 13.4.40.0/22 Announced
+ 13.4.44.0/22 Announced
+ 13.4.48.0/22 Announced
+ 13.4.64.0/22 Announced
+ 13.4.65.0/24 Announced
+ 13.4.66.0/24 Announced
+ 13.4.100.0/24 Announced
+ 13.4.101.0/24 Announced
+ 13.5.8.0/22 Announced
+ 13.5.100.0/22 Announced
+ 13.6.0.0/22 Announced
+ 13.6.0.0/23 Announced
+ 13.7.0.0/16 Announced
+ 13.7.0.0/20 Announced
+ 13.7.0.0/24 Announced
+ 13.7.8.0/21 Announced
+ 13.7.8.0/23 Announced
+ 13.7.10.0/23 Announced
+ 13.7.16.0/22 Announced
+ 13.7.16.0/23 Announced
+ 13.7.24.0/23 Announced
+ 13.7.26.0/23 Announced
+ 13.7.28.0/22 Announced
+ 13.7.32.0/22 Announced
+ 13.7.36.0/22 Announced
+ 13.7.40.0/22 Announced
+ 13.7.40.0/23 Announced
+ 13.7.64.0/20 Announced
+ 13.7.64.0/21 Announced
+ 13.7.64.0/22 Announced
+ 13.7.96.0/23 Announced
+ 13.7.132.0/22 Announced
+ 13.7.132.0/23 Announced
+ 13.7.140.0/22 Announced
+ 13.7.148.0/22 Announced
+ 13.7.152.0/24 Announced
+ 13.7.160.0/23 Announced
+ 13.7.162.0/23 Announced
+ 13.7.164.0/22 Announced
+ 13.7.168.0/22 Announced
+ 13.7.172.0/22 Announced
+ 13.7.176.0/22 Announced
+ 13.7.180.0/22 Announced
+ 13.7.184.0/22 Announced
+ 13.7.188.0/22 Announced
+ 13.7.192.0/22 Announced
+ 13.7.196.0/22 Announced
+ 13.7.200.0/24 Announced
+ 13.7.255.0/24 Announced
- 128.57.208.0/21 Withdrawn
- 130.107.128.0/17 Withdrawn
whois: 402590
IANA has recorded AS33631 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS33631\n
#
# 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.
#
ASNumber: 33631
ASName: PARC-ASN
ASHandle: AS33631
RegDate: 2005-02-09
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/33631
OrgName: Palo Alto Research Center Incorporated
OrgId: PARC-3
Address: 3333 Coyote Hill Rd.
City: Palo Alto
StateProv: CA
PostalCode: 94304
Country: US
RegDate: 2005-01-03
Updated: 2021-09-20
Ref: https://rdap.arin.net/registry/entity/PARC-3
OrgAbuseHandle: PRH4-ARIN
OrgAbuseName: PARC Registrar and Hostmaster
OrgAbusePhone: +1-650-812-4444
OrgAbuseEmail: hostmaster@parc.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/PRH4-ARIN
OrgTechHandle: CHAPM357-ARIN
OrgTechName: Chapman, Yuriko
OrgTechPhone: +1-650-812-4952
OrgTechEmail: ychapman@parc.com
OrgTechRef: https://rdap.arin.net/registry/entity/CHAPM357-ARIN
OrgTechHandle: DELAN114-ARIN
OrgTechName: de Lanerolle, Kanishka
OrgTechPhone: +1-650-812-4255
OrgTechEmail: kanishka@parc.com
OrgTechRef: https://rdap.arin.net/registry/entity/DELAN114-ARIN
OrgTechHandle: PRH4-ARIN
OrgTechName: PARC Registrar and Hostmaster
OrgTechPhone: +1-650-812-4444
OrgTechEmail: hostmaster@parc.com
OrgTechRef: https://rdap.arin.net/registry/entity/PRH4-ARIN
OrgAbuseHandle: DELAN114-ARIN
OrgAbuseName: de Lanerolle, Kanishka
OrgAbusePhone: +1-650-812-4255
OrgAbuseEmail: kanishka@parc.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/DELAN114-ARIN
OrgAbuseHandle: CHAPM357-ARIN
OrgAbuseName: Chapman, Yuriko
OrgAbusePhone: +1-650-812-4952
OrgAbuseEmail: ychapman@parc.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CHAPM357-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.
#