| 149.0.0.0/8 | WHOIS (ARIN) | Various Registries (Maintained by ARIN) | US |
| 149.12.0.0/15 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.0.0/16 | WHOIS (ARIN) | Cogent Communications, LLC | US |
| 149.12.0.0/16 | ARIN assigned | — | US |
| 149.13.0.0/16 | WHOIS (ARIN) | Cogent Communications, LLC | US |
| 149.13.0.0/16 | ARIN assigned | — | US |
| 149.13.192.0/19 | BGP route | AS42611 Full Fibre Limited | — |
| 149.12.0.0/20 | BGP route | AS48945 OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | — |
| 149.12.0.0/20 | WHOIS (ARIN) | Open Fibre Networks Ltd | GB |
| 149.13.208.0/20 | BGP route | AS213094 Full Fibre Limited | — |
| 149.12.112.0/21 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.13.8.0/21 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.100.0/22 | WHOIS (ARIN) | Wiber Net Srl | IT |
| 149.12.104.0/22 | WHOIS (ARIN) | Telweb s.r.l. | IT |
| 149.12.108.0/22 | BGP route | AS213338 Evacom S.R.L.S. | — |
| 149.12.108.0/22 | WHOIS (ARIN) | Evacom S.R.L.S. | IT |
| 149.12.120.0/22 | BGP route | AS206182 Global Com Basilicata s.r.l. | — |
| 149.12.120.0/22 | WHOIS (ARIN) | GLOBAL COM BASILICATA S.R.L. | IT |
| 149.12.164.0/22 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.184.0/22 | BGP route | AS59597 4COM TECHNOLOGIES LIMITED | — |
| 149.12.216.0/22 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.13.20.0/22 | BGP route | AS209087 Oeste Digital S.L. | — |
| 149.13.148.0/22 | BGP route | AS59699 Lenfiber S.r.l. | — |
| 149.13.152.0/22 | BGP route | AS200794 NAVIGO srl | — |
| 149.13.152.0/22 | WHOIS (ARIN) | NAVIGO SRL | IT |
| 149.13.156.0/22 | BGP route | AS203223 Unica Telecomunicazioni s.r.l. | — |
| 149.13.164.0/22 | BGP route | AS206660 Sphere Telecom SARL | — |
| 149.13.164.0/22 | WHOIS (ARIN) | Debug Informatique SARL | FR |
| 149.13.180.0/22 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.78.0/23 | BGP route | AS53633 A&A Communications LLC | — |
| 149.12.98.0/23 | BGP route | AS205358 NEOFIBER SRLS | — |
| 149.12.108.0/23 | BGP route | AS213338 Evacom S.R.L.S. | — |
| 149.12.200.0/23 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.222.0/23 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.242.0/23 | BGP route | AS60022 Sona Network B.V. | — |
| 149.12.242.0/23 | WHOIS (ARIN) | Sona Business Services | NL |
| 149.12.246.0/23 | BGP route | AS51736 ServUnit Technologies BV | — |
| 149.13.18.0/23 | BGP route | AS203068 Bandalibre Comunicaciones, S.L. | — |
| 149.13.18.0/23 | WHOIS (ARIN) | Bandalibre Comunicaciones, S.L. | ES |
| 149.13.24.0/23 | BGP route | AS202829 Luis Sanchez Martin | — |
| 149.13.26.0/23 | BGP route | AS202829 Luis Sanchez Martin | — |
| 149.13.54.0/23 | BGP route | AS151151 FLEXEERE IT SOLUTIONS PVT LTD | — |
| 149.13.58.0/23 | BGP route | AS212546 Virtual Network Lab L.L.C-FZ | — |
| 149.13.58.0/23 | WHOIS (ARIN) | UAB ServerMall | DE |
| 149.13.78.0/23 | BGP route | AS61083 flatexDEGIRO Bank SE | — |
| 149.13.80.0/23 | BGP route | AS47132 Innonet ICT-Services GmbH | — |
| 149.13.80.0/23 | WHOIS (ARIN) | telitall.net GmbH | AT |
| 149.13.124.0/23 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.13.146.0/23 | WHOIS (ARIN) | NAVIGO SRL | IT |
| 149.13.174.0/23 | BGP route | AS14616 IBASIS INC. | — |
| 149.13.188.0/23 | BGP route | AS273866 TELECABLE SANCHEZ SRL | — |
| 149.12.16.0/24 | BGP route | AS273433 INOVAR TELECOM | — |
| 149.12.33.0/24 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.67.0/24 | WHOIS (ARIN) | ABBAS SERVICIOS DE INFORMATICA Y TELECOMUNICACIONES, S.L | ES |
| 149.12.68.0/24 | WHOIS (ARIN) | Servicios Digitales Codinet S.L | ES |
| 149.12.69.0/24 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.69.0/24 | WHOIS (ARIN) | Jose Bernabe Garcia | ES |
| 149.12.70.0/24 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.76.0/24 | BGP route | AS211733 Prime creation events SAS | — |
| 149.12.77.0/24 | BGP route | AS14616 IBASIS INC. | — |
| 149.12.77.0/24 | WHOIS (ARIN) | iBasis | US |
| 149.12.78.0/24 | BGP route | AS53633 A&A Communications LLC | — |
| 149.12.79.0/24 | BGP route | AS53633 A&A Communications LLC | — |
| 149.12.96.0/24 | BGP route | AS199536 Angelastri Giuseppe trading as TechDigital | — |
| 149.12.97.0/24 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.98.0/24 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.99.0/24 | BGP route | AS174 Cogent Communications, LLC | — |
| 149.12.100.0/24 | BGP route | AS209529 WBR SRL | — |
| 149.12.101.0/24 | BGP route | AS209529 WBR SRL | — |
| 149.12.102.0/24 | BGP route | AS209529 WBR SRL | — |
| 149.12.103.0/24 | BGP route | AS209529 WBR SRL | — |
| 149.12.193.0/24 | WHOIS (ARIN) | Ollink | FR |
| 149.12.210.0/24 | WHOIS (ARIN) | Capinfo | FR |
| 149.12.211.0/24 | WHOIS (ARIN) | Capinfo | FR |
| 149.12.212.0/24 | WHOIS (ARIN) | LOGICEK | FR |
| 149.12.214.0/24 | WHOIS (ARIN) | LOGICEK | FR |
| 149.12.221.0/24 | WHOIS (ARIN) | OPERIAX DIFUSION SL | ES |
| 149.12.241.0/24 | WHOIS (ARIN) | Sona Business Services | NL |
| 149.13.60.0/24 | WHOIS (ARIN) | Limestone Networks, Inc. | US |
| 149.13.71.0/24 | WHOIS (ARIN) | ITecon GmbH | DE |
| 149.13.82.0/24 | WHOIS (ARIN) | telitall.net GmbH | AT |
| 149.13.89.0/24 | WHOIS (ARIN) | CONNEXIONS SAL-HOLDING | LB |
| 149.13.97.0/24 | WHOIS (ARIN) | East Coast Community Healthcare CIC | GB |
| 149.13.178.0/24 | WHOIS (ARIN) | Symantec Corporation | NL |
| 149.12.65.128/25 | WHOIS (ARIN) | Berkano Systems | ES |
| 149.13.83.128/25 | WHOIS (ARIN) | telitall.net GmbH | AT |
| 149.13.83.64/26 | WHOIS (ARIN) | telitall.net GmbH | AT |
| 149.13.29.192/27 | WHOIS (ARIN) | Devoteam Drago S.A.U. | ES |
| 149.13.83.32/27 | WHOIS (ARIN) | telitall.net GmbH | AT |
| 149.13.112.32/27 | WHOIS (ARIN) | Thym Business | FR |
| 149.13.177.32/27 | WHOIS (ARIN) | Red Gate Software Limited | GB |
| 149.12.32.32/28 | WHOIS (ARIN) | Moody's Investors Service | DK |
| 149.13.83.0/30 | WHOIS (ARIN) | Sasa Bumarkovic | RS |
| 149.13.83.4/30 | WHOIS (ARIN) | Hans Futtermann | DE |
| 149.13.83.8/30 | WHOIS (ARIN) | Anna Kowalski | PL |
| 149.13.83.12/30 | WHOIS (ARIN) | Ilmari Saavuori | FI |
| 149.13.83.16/30 | WHOIS (ARIN) | Willeke Debruijn | NL |
| 149.13.83.20/30 | WHOIS (ARIN) | Sven Nemev | SE |
| 149.13.83.24/30 | WHOIS (ARIN) | Hilde Vandervelden | BE |
| 149.13.83.28/30 | WHOIS (ARIN) | telitall.net GmbH | AT |