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.
AS18687 110 More Specifics 115 Total Advertisements MPOWER-2, US
64.140.32.0/21 64.140.0.0/18
64.140.48.0/21 64.140.0.0/18
64.140.88.0/22 64.140.64.0/19
66.18.128.0/22 66.18.128.0/19
66.18.132.0/22 66.18.128.0/19
66.18.136.0/21 66.18.128.0/19
66.18.136.0/22 66.18.128.0/19
66.18.136.0/24 66.18.128.0/19
66.18.137.0/24 66.18.128.0/19
66.18.138.0/24 66.18.128.0/19
66.18.139.0/24 66.18.128.0/19
66.18.140.0/22 66.18.128.0/19
66.18.140.0/24 66.18.128.0/19
66.18.141.0/24 66.18.128.0/19
66.18.142.0/24 66.18.128.0/19
66.18.143.0/24 66.18.128.0/19
66.18.144.0/20 66.18.128.0/19
66.18.144.0/21 66.18.128.0/19
66.18.152.0/21 66.18.128.0/19
74.206.0.0/21 74.206.0.0/19
74.206.8.0/21 74.206.0.0/19
74.206.16.0/22 74.206.0.0/19
74.206.24.0/24 74.206.0.0/19
74.206.25.0/24 74.206.0.0/19
74.206.26.0/24 74.206.0.0/19
74.206.27.0/24 74.206.0.0/19
74.206.29.0/24 74.206.0.0/19
74.206.30.0/24 74.206.0.0/19
165.236.240.0/20 165.236.0.0/16
208.57.0.0/21 208.57.0.0/16
208.57.8.0/24 208.57.0.0/16
208.57.15.0/24 208.57.0.0/16
208.57.16.0/22 208.57.0.0/16
208.57.21.0/24 208.57.0.0/16
208.57.22.0/24 208.57.0.0/16
208.57.25.0/24 208.57.0.0/16
208.57.26.0/23 208.57.0.0/16
208.57.28.0/23 208.57.0.0/16
208.57.31.0/24 208.57.0.0/16
208.57.53.0/24 208.57.0.0/16
208.57.55.0/24 208.57.0.0/16
208.57.56.0/22 208.57.0.0/16
208.57.56.0/24 208.57.0.0/16
208.57.60.0/24 208.57.0.0/16
208.57.63.0/24 208.57.0.0/16
208.57.64.0/20 208.57.0.0/16
208.57.83.0/24 208.57.0.0/16
208.57.88.0/21 208.57.0.0/16
208.57.100.0/23 208.57.0.0/16
208.57.102.0/24 208.57.0.0/16
208.57.103.0/24 208.57.0.0/16
208.57.104.0/21 208.57.0.0/16
208.57.113.0/24 208.57.0.0/16
208.57.114.0/23 208.57.0.0/16
208.57.128.0/21 208.57.0.0/16
208.57.136.0/21 208.57.0.0/16
208.57.144.0/22 208.57.0.0/16
208.57.153.0/24 208.57.0.0/16
208.57.154.0/24 208.57.0.0/16
208.57.155.0/24 208.57.0.0/16
208.57.157.0/24 208.57.0.0/16
208.57.160.0/21 208.57.0.0/16
208.57.168.0/24 208.57.0.0/16
208.57.170.0/23 208.57.0.0/16
208.57.172.0/23 208.57.0.0/16
208.57.178.0/23 208.57.0.0/16
208.57.180.0/24 208.57.0.0/16
208.57.181.0/24 208.57.0.0/16
208.57.182.0/23 208.57.0.0/16
208.57.184.0/23 208.57.0.0/16
208.57.187.0/24 208.57.0.0/16
208.57.188.0/22 208.57.0.0/16
208.57.192.0/23 208.57.0.0/16
208.57.195.0/24 208.57.0.0/16
208.57.196.0/22 208.57.0.0/16
208.57.201.0/24 208.57.0.0/16
208.57.202.0/23 208.57.0.0/16
208.57.204.0/24 208.57.0.0/16
208.57.206.0/23 208.57.0.0/16
208.57.212.0/22 208.57.0.0/16
208.57.218.0/23 208.57.0.0/16
208.57.224.0/23 208.57.0.0/16
208.57.226.0/23 208.57.0.0/16
208.57.228.0/24 208.57.0.0/16
208.57.229.0/24 208.57.0.0/16
208.57.230.0/23 208.57.0.0/16
208.57.232.0/24 208.57.0.0/16
208.57.233.0/24 208.57.0.0/16
208.57.234.0/23 208.57.0.0/16
208.57.237.0/24 208.57.0.0/16
208.57.238.0/23 208.57.0.0/16
208.57.242.0/24 208.57.0.0/16
208.57.243.0/24 208.57.0.0/16
208.57.244.0/24 208.57.0.0/16
208.57.247.0/24 208.57.0.0/16
208.57.248.0/24 208.57.0.0/16
208.57.249.0/24 208.57.0.0/16
208.57.250.0/24 208.57.0.0/16
208.57.251.0/24 208.57.0.0/16
208.57.252.0/24 208.57.0.0/16
208.57.253.0/24 208.57.0.0/16
209.108.200.0/21 209.108.0.0/16
216.70.128.0/21 216.70.128.0/18
216.70.136.0/21 216.70.128.0/18
216.70.144.0/22 216.70.128.0/18
216.70.156.0/22 216.70.128.0/18
216.70.160.0/21 216.70.128.0/18
216.70.168.0/21 216.70.128.0/18
216.70.180.0/22 216.70.128.0/18
216.70.184.0/22 216.70.128.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 66.18.128.0/22 Announced
+ 66.18.132.0/22 Announced
+ 66.18.136.0/22 Announced
+ 66.18.136.0/24 Announced
+ 66.18.137.0/24 Announced
+ 66.18.138.0/24 Announced
+ 66.18.139.0/24 Announced
+ 66.18.140.0/22 Announced
+ 66.18.140.0/24 Announced
+ 66.18.141.0/24 Announced
+ 66.18.142.0/24 Announced
+ 66.18.143.0/24 Announced
+ 66.18.144.0/21 Announced
+ 66.18.152.0/21 Announced
+ 74.206.0.0/21 Announced
+ 74.206.8.0/21 Announced
+ 74.206.16.0/22 Announced
+ 74.206.24.0/24 Announced
+ 74.206.25.0/24 Announced
+ 74.206.26.0/24 Announced
+ 74.206.27.0/24 Announced
+ 74.206.29.0/24 Announced
+ 74.206.30.0/24 Announced
+ 208.57.0.0/21 Announced
+ 208.57.8.0/24 Announced
+ 208.57.15.0/24 Announced
+ 208.57.16.0/22 Announced
+ 208.57.21.0/24 Announced
+ 208.57.22.0/24 Announced
+ 208.57.25.0/24 Announced
+ 208.57.26.0/23 Announced
+ 208.57.28.0/23 Announced
+ 208.57.31.0/24 Announced
+ 208.57.53.0/24 Announced
+ 208.57.55.0/24 Announced
+ 208.57.56.0/22 Announced
+ 208.57.56.0/24 Announced
+ 208.57.60.0/24 Announced
+ 208.57.63.0/24 Announced
+ 208.57.64.0/20 Announced
+ 208.57.83.0/24 Announced
+ 208.57.88.0/21 Announced
+ 208.57.100.0/23 Announced
+ 208.57.102.0/24 Announced
+ 208.57.103.0/24 Announced
+ 208.57.104.0/21 Announced
+ 208.57.113.0/24 Announced
+ 208.57.114.0/23 Announced
+ 208.57.128.0/21 Announced
+ 208.57.136.0/21 Announced
+ 208.57.144.0/22 Announced
+ 208.57.153.0/24 Announced
+ 208.57.154.0/24 Announced
+ 208.57.155.0/24 Announced
+ 208.57.157.0/24 Announced
+ 208.57.160.0/21 Announced
+ 208.57.168.0/24 Announced
+ 208.57.170.0/23 Announced
+ 208.57.172.0/23 Announced
+ 208.57.178.0/23 Announced
+ 208.57.180.0/24 Announced
+ 208.57.181.0/24 Announced
+ 208.57.182.0/23 Announced
+ 208.57.184.0/23 Announced
+ 208.57.187.0/24 Announced
+ 208.57.188.0/22 Announced
+ 208.57.192.0/23 Announced
+ 208.57.195.0/24 Announced
+ 208.57.196.0/22 Announced
+ 208.57.201.0/24 Announced
+ 208.57.202.0/23 Announced
+ 208.57.204.0/24 Announced
+ 208.57.206.0/23 Announced
+ 208.57.212.0/22 Announced
+ 208.57.224.0/23 Announced
+ 208.57.226.0/23 Announced
+ 208.57.228.0/24 Announced
+ 208.57.229.0/24 Announced
+ 208.57.230.0/23 Announced
+ 208.57.232.0/24 Announced
+ 208.57.233.0/24 Announced
+ 208.57.234.0/23 Announced
+ 208.57.237.0/24 Announced
+ 208.57.238.0/23 Announced
+ 208.57.242.0/24 Announced
+ 208.57.243.0/24 Announced
+ 208.57.244.0/24 Announced
+ 208.57.247.0/24 Announced
+ 208.57.248.0/24 Announced
+ 208.57.249.0/24 Announced
+ 208.57.250.0/24 Announced
+ 208.57.251.0/24 Announced
+ 208.57.252.0/24 Announced
+ 208.57.253.0/24 Announced
+ 216.70.128.0/21 Announced
+ 216.70.136.0/21 Announced
+ 216.70.144.0/22 Announced
+ 216.70.156.0/22 Announced
+ 216.70.160.0/21 Announced
+ 216.70.168.0/21 Announced
+ 216.70.180.0/22 Announced
+ 216.70.184.0/22 Announced
whois: 402609
IANA has recorded AS18687 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18687\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: 18687
ASName: MPOWER-2
ASHandle: AS18687
RegDate: 2001-12-28
Updated: 2014-03-12
Ref: https://rdap.arin.net/registry/autnum/18687
OrgName: MPOWER COMMUNICATIONS CORP.
OrgId: MPWR
Address: Plaza 7000 North Mopac Expressway
Address: Suite 2080
City: Austin
StateProv: TX
PostalCode: 78731
Country: US
RegDate:
Updated: 2025-07-16
Comment: Please contact the ip-abuse email address to report any
Comment: abuse of email, SPAM or any security issues with Mpower Communications IP
Comment: address space. For prompt action, please use the email address. Please do
Comment: not address any abuse issues to ip-admin.
Ref: https://rdap.arin.net/registry/entity/MPWR
OrgTechHandle: MITA-ARIN
OrgTechName: Mpower IP Technical Administrator
OrgTechPhone: +1-702-310-4578
OrgTechEmail: arin@tpx.com
OrgTechRef: https://rdap.arin.net/registry/entity/MITA-ARIN
OrgAbuseHandle: MIAA-ARIN
OrgAbuseName: Mpower IP Abuse Administrator
OrgAbusePhone: +1-877-642-4375
OrgAbuseEmail: abuse@telepacific.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MIAA-ARIN
RTechHandle: GRAHA77-ARIN
RTechName: Graham, Todd
RTechPhone: +1-702-403-1201
RTechEmail: jgraham@telepacific.com
RTechRef: https://rdap.arin.net/registry/entity/GRAHA77-ARIN
RTechHandle: ZM147-ARIN
RTechName: MPOWER COMMUNICATIONS CORP
RTechPhone: +1-702-310-4578
RTechEmail: ip-mgmt@mpowercom.net
RTechRef: https://rdap.arin.net/registry/entity/ZM147-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.
#