IPv4 prefix

209.166.0.0/18

IP Prefix (CIDR)
209.166.0.0/18
Subnet Mask
255.255.192.0
Address Count
16,384
Registration 1 of 17
Owner
Private Customer
Handle
C11492603
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.0.0/23 (209.166.0.0 - 209.166.1.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 2 of 17
Owner
Private Customer
Handle
C11492605
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.4.0/23 (209.166.4.0 - 209.166.5.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 3 of 17
Owner
Private Customer
Handle
C11492606
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.6.0/23 (209.166.6.0 - 209.166.7.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 4 of 17
Owner
Private Customer
Handle
C11492607
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.8.0/23 (209.166.8.0 - 209.166.9.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 5 of 17
Owner
Private Customer
Handle
C11492608
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.10.0/23 (209.166.10.0 - 209.166.11.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 6 of 17
Owner
Private Customer
Handle
C11492609
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.12.0/23 (209.166.12.0 - 209.166.13.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 7 of 17
Owner
Private Customer
Handle
C11492610
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.14.0/23 (209.166.14.0 - 209.166.15.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 8 of 17
Owner
Private Customer
Handle
C11492611
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.16.0/23 (209.166.16.0 - 209.166.17.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 9 of 17
Owner
Private Customer
Handle
C11492615
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.24.0/23 (209.166.24.0 - 209.166.25.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 10 of 17
Owner
Private Customer
Handle
C11492619
Address
Private Residence Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.28.0/23 (209.166.28.0 - 209.166.29.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 11 of 17
Owner
GTT Customer PON2820638
Handle
C11492620
Address
4201 Wilson Blvd. Arlington VA 22203 United States
Registry
ARIN
Registered Prefix
209.166.30.0/23 (209.166.30.0 - 209.166.31.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 12 of 17
Owner
IPNetZone
Handle
IPNET-1
Address
7900 Tysons One Place McLean VA 22102 United States
Registry
ARIN
Registered Prefixes
209.166.32.0/21 (209.166.32.0 - 209.166.39.255)
209.166.48.0/20 (209.166.48.0 - 209.166.63.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 13 of 17
Owner
GTT-CUSTOMER
Handle
C11472944
Address
350 NORTHERN BLVD STE ALBANY NY 12204 United States
Registry
ARIN
Registered Prefix
209.166.40.0/24 (209.166.40.0 - 209.166.40.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 14 of 17
Owner
GTT-CUSTOMER
Handle
C11472949
Address
350 NORTHERN BLVD STE ALBANY NY 12204 United States
Registry
ARIN
Registered Prefix
209.166.42.0/24 (209.166.42.0 - 209.166.42.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 15 of 17
Owner
GTT-CUSTOMER
Handle
C11472951
Address
350 NORTHERN BLVD STE ALBANY NY 12204 United States
Registry
ARIN
Registered Prefix
209.166.43.0/24 (209.166.43.0 - 209.166.43.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 16 of 17
Owner
GTT-CUSTOMER
Handle
C11472952
Address
350 NORTHERN BLVD STE ALBANY NY 12204 United States
Registry
ARIN
Registered Prefix
209.166.44.0/24 (209.166.44.0 - 209.166.44.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Registration 17 of 17
Owner
Bunny Communications
Handle
BCL-435
Address
5 Brewster Street,#2039 Glen Cove NY 11542 United States
Registry
ARIN
Registered Prefix
209.166.46.0/24 (209.166.46.0 - 209.166.46.255)
Delegated Prefix
209.166.0.0/18 (209.166.0.0 - 209.166.63.255)
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
209.166.0.0/18 Exact AS3257 GTT Communications Inc. United States of America (US) 209.166.0.0 209.166.63.255
209.166.0.0/22 More specific AS3320 Deutsche Telekom AG Germany (DE) 209.166.0.0 209.166.3.255
209.166.4.0/23 More specific AS30058 FDCservers.net United States of America (US) 209.166.4.0 209.166.5.255
209.166.6.0/23 More specific AS3320 Deutsche Telekom AG Germany (DE) 209.166.6.0 209.166.7.255
209.166.8.0/23 More specific AS55470 Cyfuture India Pvt. Ltd. India (IN) 209.166.8.0 209.166.9.255
209.166.10.0/23 More specific AS3320 Deutsche Telekom AG Germany (DE) 209.166.10.0 209.166.11.255
209.166.12.0/23 More specific AS9009 M247 Europe SRL Romania (RO) 209.166.12.0 209.166.13.255
209.166.14.0/23 More specific AS55470 Cyfuture India Pvt. Ltd. India (IN) 209.166.14.0 209.166.15.255
209.166.16.0/21 More specific AS3320 Deutsche Telekom AG Germany (DE) 209.166.16.0 209.166.23.255
209.166.24.0/22 More specific AS3320 Deutsche Telekom AG Germany (DE) 209.166.24.0 209.166.27.255
209.166.28.0/23 More specific AS3320 Deutsche Telekom AG Germany (DE) 209.166.28.0 209.166.29.255
209.166.30.0/23 More specific AS9009 M247 Europe SRL Romania (RO) 209.166.30.0 209.166.31.255
209.166.32.0/21 More specific AS6079 RCN United States of America (US) 209.166.32.0 209.166.39.255
209.166.40.0/23 More specific AS2914 NTT America Inc. United States of America (US) 209.166.40.0 209.166.41.255
209.166.42.0/24 More specific AS401783 TOKALA COMMUNICATIONS INC. United States of America (US) 209.166.42.0 209.166.42.255
209.166.43.0/24 More specific AS2914 NTT America Inc. United States of America (US) 209.166.43.0 209.166.43.255
209.166.44.0/23 More specific AS2914 NTT America Inc. United States of America (US) 209.166.44.0 209.166.45.255
209.166.46.0/24 More specific AS48529 Quantumbeam Communications Limited United Kingdom of Great Britain and Northern Ireland (GB) 209.166.46.0 209.166.46.255
209.166.48.0/20 More specific AS20001 Charter Communications Inc United States of America (US) 209.166.48.0 209.166.63.255