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Data as of Nov 9, 2026

209.21.128.0/17

No anonymizer space · no proxy exits in 30 days

Verizon Business

Announcement
this exact prefix
No RPKI
Announced by
AS2828
Type
Internet provider
67% of it

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
209.21.128.0/1732,768ALGX-HVD-BLK3Verizon Business (MCICS) · USDirect AllocationFeb 19, 1997abuse@verizon.com
└ 209.21.129.0/24256HTW-662unknown———
└ 209.21.130.128/2732HTW-943unknown———
└ 209.21.130.160/2732HTW-53unknown———
└ 209.21.130.224/2732HTW-1061unknown———
└ 209.21.131.64/2732HTW-909unknown———
└ 209.21.131.96/2732HTW-1064unknown———
└ 209.21.131.128/25128HTW-823unknown———
└ 209.21.133.0/24256HTW-151unknown———
└ 209.21.135.0/24256HTW-302unknown———
└ 209.21.136.0 - 209.21.152.2554,352CAIC-209-21-136unknown———
└ 209.21.150.0/24256BDODDS-209-21-150unknown———
└ 209.21.153.0/2664HTW-1100unknown———
└ 209.21.153.64/2664HTW-234unknown———
└ 209.21.153.128/2732HTW-240unknown———
└ 209.21.153.160/2732HTW-556unknown———
└ 209.21.153.192/2664HTW-824unknown———
└ 209.21.154.0/24256HTW-254unknown———
└ 209.21.155.0/24256HTW-225unknown———
└ 209.21.156.0/24256HTW-889unknown———
└ 209.21.158.32/2732HTW-261unknown———
└ 209.21.158.128/2664HTW-1056unknown———
└ 209.21.158.192/2732HTW-287unknown———
└ 209.21.158.224/2816HTW-985unknown———
└ 209.21.158.240/2816HTW-153unknown———
└ 209.21.159.0/2732HTW-305unknown———
└ 209.21.159.32/2732HTW-1075unknown———
└ 209.21.159.128/2664HTW-264unknown———
└ 209.21.163.0/25128HTW-846unknown———
└ 209.21.166.128/25128HTW-328unknown———
└ 209.21.167.0/24256HTW-263unknown———
└ 209.21.168.0/24256HTW-103unknown———
└ 209.21.169.192/2664HTW-338unknown———
└ 209.21.170.0/24256HTW-577unknown———
└ 209.21.172.0/25128HTW-1029unknown———
└ 209.21.173.0/24256HTW-183unknown———
└ 209.21.174.0/24256HTW-1102unknown———
└ 209.21.176.64/2664HTW-1055unknown———
└ 209.21.178.128/25128HTW-663unknown———
└ 209.21.179.160/2732HTW-477unknown———
└ 209.21.179.192/2664HTW-312unknown———
└ 209.21.180.0/25128HTW-184unknown———
└ 209.21.181.0/24256HTW-221unknown———
└ 209.21.188.64/2816HTW-03292unknown———
└ 209.21.189.0/25128HTW-1059unknown———
└ 209.21.190.0/2732HTW-678unknown———
└ 209.21.190.96/2732HTW-453unknown———
└ 209.21.191.0/2664HTW-235unknown———
└ 209.21.193.0/24256HTW-1046unknown———
└ 209.21.194.0/2732HTW-667unknown———
└ 209.21.194.32/2732HTW-454unknown———
└ 209.21.195.0/2732HTW-733unknown———
└ 209.21.195.32/2732HTW-698unknown———
└ 209.21.195.64/2732HTW-110unknown———
└ 209.21.195.128/2732HTW-269unknown———
└ 209.21.195.160/2816HTW-793unknown———
└ 209.21.195.176/2816HTW-891unknown———
└ 209.21.195.224/2732HTW-1012unknown———
└ 209.21.196.0/24256HTW-313unknown———
└ 209.21.198.0/24256HTW-72unknown———
└ 209.21.201.32/2732HTW-300unknown———
└ 209.21.201.64/2732HTW-58unknown———
└ 209.21.201.96/2816HTW-1060unknown———
└ 209.21.201.112/2816HTW-1109unknown———
└ 209.21.201.192/2664HTW-651unknown———
└ 209.21.202.0/24256HTW-628unknown———
└ 209.21.203.0/24256HTW-421unknown———
└ 209.21.204.0/24256HTW-360unknown———
└ 209.21.205.64/2816HTW-04527unknown———
└ 209.21.205.96/2816HTW-04537unknown———
└ 209.21.205.232/298HTW-04484unknown———
└ 209.21.206.96/2732HTW-760unknown———
└ 209.21.206.128/2732HTW-126unknown———
└ 209.21.206.160/2732HTW-1072unknown———
└ 209.21.206.224/2732HTW-179unknown———
└ 209.21.207.0/24256HTW-515unknown———
└ 209.21.208.0/24256HTW-423unknown———
└ 209.21.209.0/2732HTW-278unknown———
└ 209.21.209.64/2732HTW-60unknown———
└ 209.21.209.96/2732HTW-602unknown———
└ 209.21.209.128/2732HTW-216unknown———
└ 209.21.209.224/2732HTW-842unknown———
└ 209.21.210.0/24256HTW-251unknown———
└ 209.21.211.0/24256HTW-149unknown———
└ 209.21.212.0/2816HTW-325unknown———
└ 209.21.212.16/2816HTW-07344unknown———
└ 209.21.212.32/2816HTW-1098unknown———
└ 209.21.212.48/2816HTW-1026unknown———
└ 209.21.212.64/2816HTW-267unknown———
└ 209.21.212.80/2816HTW-736unknown———
└ 209.21.212.96/2816HTW-253unknown———
└ 209.21.212.128/2816HTW-168unknown———
└ 209.21.212.144/2816HTW-839unknown———
└ 209.21.212.160/2816HTW-1074unknown———
└ 209.21.212.176/2816HTW-1185unknown———
└ 209.21.212.192/2816HTW-237unknown———
└ 209.21.212.208/2816HTW-1120unknown———
└ 209.21.213.64/2664HTW-190unknown———
└ 209.21.213.128/2664HTW-877unknown———
└ 209.21.214.32/2732HTW-988unknown———
└ 209.21.214.64/2664HTW-1097unknown———
└ 209.21.214.128/25128HTW-1013unknown———
└ 209.21.215.0/2664HTW-137unknown———
└ 209.21.215.64/2664HTW-115unknown———
└ 209.21.216.0/2816HTW-1096unknown———
└ 209.21.216.16/2816HTW-691unknown———
└ 209.21.216.32/2816HTW-897unknown———
└ 209.21.216.64/2816HTW-1079unknown———
└ 209.21.216.80/2816HTW-50unknown———
└ 209.21.216.96/2816HTW-1016unknown———
└ 209.21.217.16/2816HTW-146unknown———
└ 209.21.217.32/2816HTW-868unknown———
└ 209.21.217.48/2816HTW-442unknown———
└ 209.21.217.64/2816HTW-1108unknown———
└ 209.21.217.80/2816HTW-331unknown———
└ 209.21.217.96/2816HTW-540unknown———
└ 209.21.217.144/2816HTW-73unknown———
└ 209.21.218.0/24256HTW-820unknown———
└ 209.21.219.0/2664HTW-134unknown———
└ 209.21.222.0/2732HTW-148unknown———
└ 209.21.222.32/2732HTW-1052unknown———
└ 209.21.222.64/2732HTW-196unknown———
└ 209.21.222.96/2732HTW-1088unknown———
└ 209.21.222.128/25128HTW-1028unknown———
└ 209.21.223.0/24256HTW-848unknown———
└ 209.21.224.0/24256HTW-849unknown———
└ 209.21.225.0/25128HTW-1091unknown———
└ 209.21.225.128/25128HTW-1057unknown———
└ 209.21.226.0/2732HTW-817unknown———
└ 209.21.226.32/2732HTW-447unknown———
└ 209.21.226.96/2732HTW-863unknown———
└ 209.21.226.128/2732HTW-1022unknown———
└ 209.21.229.0/2732HTW-740unknown———
└ 209.21.229.152/298HTW-07053unknown———
└ 209.21.229.208/2816HTW-03096unknown———
└ 209.21.230.32/2816HTW-906unknown———
└ 209.21.230.48/2816HTW-1048unknown———
└ 209.21.230.64/2816HTW-1019unknown———
└ 209.21.230.128/2816HTW-166unknown———
└ 209.21.230.144/2816HTW-138unknown———
└ 209.21.230.160/2816HTW-140unknown———
└ 209.21.230.192/2816HTW-1065unknown———
└ 209.21.230.208/2816HTW-1105unknown———
└ 209.21.230.224/2816HTW-1032unknown———
└ 209.21.230.240/2816HTW-984unknown———
└ 209.21.231.128/2664HTW-171unknown———
└ 209.21.231.192/2664HTW-1111unknown———
└ 209.21.232.0/2732HTW-232unknown———
└ 209.21.232.64/2732HTW-123unknown———
└ 209.21.232.96/2732HTW-310unknown———
└ 209.21.232.128/2732HTW-308unknown———
└ 209.21.232.160/2732HTW-348unknown———
└ 209.21.232.192/2732HTW-243unknown———
└ 209.21.233.0/2816HTW-197unknown———
└ 209.21.233.16/2816HTW-898unknown———
└ 209.21.233.64/2816HTW-161unknown———
└ 209.21.233.80/2816HTW-739unknown———
└ 209.21.233.96/2732HTW-538unknown———
└ 209.21.233.128/2732HTW-1044unknown———
└ 209.21.235.0/24256HTW-936unknown———
└ 209.21.237.0/2664HTW-408unknown———
└ 209.21.237.64/2664HTW-1018unknown———
└ 209.21.237.192/2664HTW-220unknown———
└ 209.21.240.0/24256HTW-74unknown———
└ 209.21.241.0/24256HTW-75unknown———
└ 209.21.242.0/24256HTW-76unknown———
└ 209.21.243.0/24256HTW-77unknown———
└ 209.21.246.0/2732HTW-78unknown———
└ 209.21.246.96/2732HTW-191unknown———
└ 209.21.246.128/2732HTW-1020unknown———
└ 209.21.247.0/2664HTW-1085unknown———
└ 209.21.247.64/2664HTW-230unknown———
└ 209.21.248.32/2816HTW-04400unknown———
└ 209.21.248.64/2732HTW-04298unknown———
└ 209.21.248.128/25128HTW-227unknown———
└ 209.21.249.0/24256HTW-47unknown———
└ 209.21.250.128/25128HTW-413unknown———
└ 209.21.251.0/2664HTW-336unknown———
└ 209.21.251.64/2664HTW-95unknown———
└ 209.21.251.128/2664HTW-250unknown———
└ 209.21.253.0/2732HTW-155unknown———
└ 209.21.253.32/2732HTW-105unknown———
└ 209.21.253.64/2732HTW-1017unknown———
└ 209.21.253.160/2732HTW-1042unknown———
└ 209.21.253.224/2732HTW-1089unknown———
└ 209.21.254.16/2816HTW-46unknown———
└ 209.21.254.32/2816HTW-896unknown———
└ 209.21.254.64/2816HTW-1053unknown———
└ 209.21.254.80/2816HTW-295unknown———
└ 209.21.254.112/2816HTW-1031unknown———
└ 209.21.254.128/2816HTW-1041unknown———
└ 209.21.254.144/2816HTW-1110unknown———
└ 209.21.254.160/2816HTW-1084unknown———
└ 209.21.254.176/2816HTW-289unknown———
└ 209.21.254.192/2816HTW-354unknown———
└ 209.21.254.208/2816HTW-944unknown———
└ 209.21.255.64/2664HTW-219unknown———
└ 209.21.255.128/2664HTW-1043unknown———
└ 209.21.255.192/2664HTW-1054unknown———

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

32,768 addresses
TypeAddressesShareRanges
Internet provider22,00067%71
Business6,41620%165
Residential4,35213%17

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS2828

US
Name
Verizon Business
Type
Internet provider
Registered
Dec 19, 2001
Domain
verizonbusiness.com
Website
www.verizon.com/business/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed