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.
AS18703 24 More Specifics 29 Total Advertisements IBMCCH-ASH, US
17.119.92.0/22 17.0.0.0/8
32.97.110.0/24 32.0.0.0/9
63.71.94.0/23 63.64.0.0/10
63.83.36.0/23 63.64.0.0/10
63.92.192.0/23 63.64.0.0/10
63.92.194.0/24 63.64.0.0/10
63.231.124.0/24 63.224.0.0/13
129.33.64.0/19 129.33.0.0/17
129.33.68.0/24 129.33.0.0/17
129.33.219.0/24 129.33.192.0/19
129.41.62.0/24 129.41.62.0/23
149.131.76.0/24 149.131.0.0/17
167.124.160.0/24 167.124.128.0/17
167.124.240.0/24 167.124.128.0/17
167.124.242.0/24 167.124.128.0/17
170.225.12.0/23 170.225.0.0/19
170.225.15.0/24 170.225.0.0/19
170.225.16.0/21 170.225.0.0/19
170.225.19.0/24 170.225.0.0/19
170.225.24.0/21 170.225.0.0/19
204.146.24.0/22 204.146.0.0/16
204.146.30.0/24 204.146.0.0/16
207.25.225.0/24 207.24.0.0/14
207.25.248.0/21 207.24.0.0/14
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 167.124.160.0/24 Announced
+ 167.124.240.0/24 Announced
+ 167.124.242.0/24 Announced
+ 170.225.12.0/23 Announced
+ 170.225.19.0/24 Announced
whois: 402590
IANA has recorded AS18703 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18703\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: 18703
ASName: IBMCCH-ASH
ASHandle: AS18703
RegDate: 2000-10-02
Updated: 2012-05-30
Ref: https://rdap.arin.net/registry/autnum/18703
OrgName: IBM
OrgId: IBM-1
Address: 3039 Cornwallis Road
City: Research Triangle Park
StateProv: NC
PostalCode: 27709-2195
Country: US
RegDate: 1992-02-08
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/IBM-1
OrgTechHandle: RAIN-ARIN
OrgTechName: Registrar Authority, Internet numbers
OrgTechPhone: +1-512-308-4534
OrgTechEmail: ipreg@us.ibm.com
OrgTechRef: https://rdap.arin.net/registry/entity/RAIN-ARIN
OrgAbuseHandle: RAIN-ARIN
OrgAbuseName: Registrar Authority, Internet numbers
OrgAbusePhone: +1-512-308-4534
OrgAbuseEmail: ipreg@us.ibm.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/RAIN-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.
#