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.
AS19001 6 More Specifics 6 Total Advertisements YELPCORP, US
8.18.218.0/24 8.16.0.0/12
104.153.227.0/24 104.153.224.0/22
185.49.81.0/24 185.49.80.0/22
185.98.172.0/24 185.98.172.0/22
185.98.173.0/24 185.98.172.0/22
185.98.174.0/24 185.98.172.0/22
whois: 402590
IANA has recorded AS19001 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS19001\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: 19001
ASName: YELPCORP
ASHandle: AS19001
RegDate: 2014-11-24
Updated: 2014-11-24
Ref: https://rdap.arin.net/registry/autnum/19001
OrgName: Yelp! Inc.
OrgId: YELPI
Address: 140 New Montgomery
Address: 9th Floor
City: San Francisco
StateProv: CA
PostalCode: 94105
Country: US
RegDate: 2010-03-05
Updated: 2014-08-20
Comment: http://www.yelp.com
Ref: https://rdap.arin.net/registry/entity/YELPI
OrgAbuseHandle: NETWO6360-ARIN
OrgAbuseName: Network Operations
OrgAbusePhone: +1-415-908-3801
OrgAbuseEmail: neteng@yelp.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO6360-ARIN
OrgNOCHandle: NETWO6360-ARIN
OrgNOCName: Network Operations
OrgNOCPhone: +1-415-908-3801
OrgNOCEmail: neteng@yelp.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NETWO6360-ARIN
OrgTechHandle: NETWO6360-ARIN
OrgTechName: Network Operations
OrgTechPhone: +1-415-908-3801
OrgTechEmail: neteng@yelp.com
OrgTechRef: https://rdap.arin.net/registry/entity/NETWO6360-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.
#