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.
AS21830 45 More Specifics 45 Total Advertisements CSTEL-NET, US
64.53.13.0/24 64.53.0.0/17
64.53.47.0/24 64.53.0.0/17
192.222.20.0/22 192.222.16.0/20
192.222.26.0/24 192.222.16.0/20
192.222.27.0/24 192.222.16.0/20
204.116.200.0/23 204.116.0.0/16
204.116.244.0/22 204.116.0.0/16
204.116.244.0/23 204.116.0.0/16
204.116.246.0/23 204.116.0.0/16
206.74.108.0/23 206.74.0.0/16
207.144.4.0/23 207.144.0.0/16
207.144.4.0/24 207.144.0.0/16
207.144.5.0/24 207.144.0.0/16
207.144.12.0/24 207.144.0.0/16
207.144.14.0/23 207.144.0.0/16
207.144.17.0/24 207.144.0.0/16
207.144.19.0/24 207.144.0.0/16
207.144.33.0/24 207.144.0.0/16
207.144.34.0/24 207.144.0.0/16
207.144.44.0/23 207.144.0.0/16
207.144.44.0/24 207.144.0.0/16
207.144.45.0/24 207.144.0.0/16
207.144.53.0/24 207.144.0.0/16
207.144.54.0/24 207.144.0.0/16
207.144.56.0/24 207.144.0.0/16
207.144.75.0/24 207.144.0.0/16
207.144.86.0/24 207.144.0.0/16
207.144.92.0/24 207.144.0.0/16
207.144.101.0/24 207.144.0.0/16
207.144.102.0/23 207.144.0.0/16
207.144.104.0/23 207.144.0.0/16
207.144.104.0/24 207.144.0.0/16
207.144.105.0/24 207.144.0.0/16
207.144.148.0/23 207.144.0.0/16
207.144.148.0/24 207.144.0.0/16
207.144.149.0/24 207.144.0.0/16
207.144.152.0/23 207.144.0.0/16
207.144.160.0/23 207.144.0.0/16
207.144.160.0/24 207.144.0.0/16
207.144.161.0/24 207.144.0.0/16
207.144.190.0/23 207.144.0.0/16
207.144.190.0/24 207.144.0.0/16
207.144.191.0/24 207.144.0.0/16
207.144.200.0/23 207.144.0.0/16
207.144.203.0/24 207.144.0.0/16
whois: 402609
IANA has recorded AS21830 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21830\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: 21830
ASName: CSTEL-NET
ASHandle: AS21830
RegDate: 2001-06-26
Updated: 2026-04-20
Ref: https://rdap.arin.net/registry/autnum/21830
OrgName: COMSOUTH TELEDATA, Inc.
OrgId: CST-16
Address: 250 BROAD ST
City: HAWKINSVILLE
StateProv: GA
PostalCode: 31036
Country: US
RegDate: 2000-05-16
Updated: 2026-04-01
Ref: https://rdap.arin.net/registry/entity/CST-16
OrgTechHandle: GRANG62-ARIN
OrgTechName: Granger, Trina
OrgTechPhone: +1-678-596-3039
OrgTechEmail: Trina.Granger@htc.hargray.com
OrgTechRef: https://rdap.arin.net/registry/entity/GRANG62-ARIN
OrgAbuseHandle: IPADM210-ARIN
OrgAbuseName: IP Admin
OrgAbusePhone: +1-843-706-1833
OrgAbuseEmail: ipadmin@htc.hargray.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/IPADM210-ARIN
RAbuseHandle: HAA1-ARIN
RAbuseName: Hargray Abuse Account
RAbusePhone: +1-843-706-1833
RAbuseEmail: abuse.emails@htc.hargray.com
RAbuseRef: https://rdap.arin.net/registry/entity/HAA1-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.
#