ASN Lookup Tool

Optimum cv.net US US 438 Routes

AS Data

AS19108

AS19108 – Optimum

AS Number 19108
AS Name SUDDENLINK-COMMUNICATIONS
Organization Optimum (sudde)
Country US
Website cv.net
Number of IPv4 Routes 414
Number of IPv6 Routes 24
ASN type ISP
Registry ARIN
Date Allocated 2000-11-20

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Use ASN data for AS19108 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2600:5400:8000::/33 ~40×10²⁷
208.180.22.0/24 256
47.213.182.0/23 512
173.216.247.0/24 256
50.25.128.0/18 16384
24.121.0.0/16 65536
24.75.113.0/24 256
173.218.40.0/22 1024
64.234.78.0/24 256
66.76.224.0/20 4096
173.219.112.0/21 2048
64.72.34.0/24 256
74.195.128.0/17 32768
75.109.248.0/22 1024
24.32.130.0/24 256
2600:5400:7000::/36 ~5×10²⁷
47.208.204.0/22 1024
24.245.72.0/22 1024
75.110.164.0/24 256
64.72.56.0/24 256
75.109.70.0/23 512
208.180.192.0/19 8192
173.216.0.0/15 131072
47.216.0.0/17 32768
173.219.144.0/23 512
208.180.36.0/22 1024
205.201.113.0/24 256
47.217.192.0/18 16384
207.254.254.0/24 256
173.219.3.0/24 256
205.201.107.0/24 256
47.208.0.0/15 131072
75.109.0.0/18 16384
64.72.57.0/24 256
24.32.24.0/21 2048
209.33.10.0/24 256
24.156.96.0/20 4096
24.54.119.0/24 256
173.218.28.0/22 1024
208.180.51.0/24 256
24.31.17.0/24 256
173.218.0.0/16 65536
69.59.104.0/24 256
2600:5400:e100::/48 ~1×10²⁴
64.72.63.0/24 256
24.32.32.0/21 2048
74.194.128.0/18 16384
75.109.108.0/24 256
75.108.176.0/20 4096
47.214.0.0/16 65536
207.254.245.0/24 256
208.180.53.0/24 256
173.218.64.0/22 1024
74.196.0.0/19 8192
50.26.0.0/16 65536
24.206.128.0/17 32768
74.197.0.0/17 32768
173.81.128.0/17 32768
207.254.247.0/24 256
75.111.96.0/20 4096

Raw Whois Response

#
# 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:       19108
ASName:         SUDDENLINK-COMMUNICATIONS
ASHandle:       AS19108
RegDate:        2000-11-20
Updated:        2012-03-20
Ref:            https://rdap.arin.net/registry/autnum/19108


OrgName:        Optimum
OrgId:          SUDDE
Address:        311 NNW Loop 323
City:           Tyler
StateProv:      TX
PostalCode:     75701
Country:        US
RegDate:        2006-05-25
Updated:        2025-08-06
Ref:            https://rdap.arin.net/registry/entity/SUDDE


OrgNOCHandle: NOCSU37-ARIN
OrgNOCName:   NOC Suddenlink
OrgNOCPhone:  +1-866-232-5455 
OrgNOCEmail:  hostmaster@cv.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOCSU37-ARIN

OrgTechHandle: AUIO-ARIN
OrgTechName:   Altice USA Internet Operations
OrgTechPhone:  +1-516-803-2300 
OrgTechEmail:  hostmaster@cv.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AUIO-ARIN

OrgAbuseHandle: ABUSE6997-ARIN
OrgAbuseName:   Abuse Suddenlink
OrgAbusePhone:  +1-903-266-4800 
OrgAbuseEmail:  abuse@suddenlink.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE6997-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.
#

Parsed Whois Response

Peers

AS Number Description Country
AS20115 Charter Communications LLC US
AS26289 Southside Bancshares, Inc. US
AS402331 UNIVERSAL HEALTH SERVICES US
AS40600 Stride Bank, National Association US
AS32500 Airbus DS Communications Inc US
AS199524 G-Core Labs S.A. LU
AS14907 Wikimedia Foundation Inc. US
AS40420 Silverline Solutions INC. US
AS3303 Swisscom Schweiz AG CH
AS18981 SUPERNet II US
AS16509 Amazon.com, Inc. US
AS714 Apple Inc. US
AS23367 Adaptive Data Networks, LLC US
AS22752 MRC Global (US) Inc. US
AS26867 Brookshire Grocery Company US
AS36692 Cisco OpenDNS, LLC US
AS32590 Valve Corporation US
AS62560 Hosted America US
AS46792 Paragould Municipal Utilities US
AS395866 Fort Mojave Television, Inc. US
AS6507 Riot Games, Inc US
AS32458 IND. CO. CABLE TV, INC. US
AS1031 PEER 1031 LLC US
AS399388 DCTexas Internet US
AS29838 Atlantic Metro Communications II, Inc. US
AS1299 Arelion Sweden AB SE
AS262355 VSX Networks BR
AS999 CORIX NETWORKS US
AS32787 Akamai Technologies, Inc. US
AS395183 ETEC US
AS263152 MIGO TELECOM BR
AS397354 Wi-Fiber, Inc. US
AS15305 Syringa Networks, LLC US
AS46169 City of Georgetown US
AS53423 Brazos WiFi US
AS4826 Vocus Connect International Backbone AU
AS400947 Shannon Medical Center US
AS7843 Charter Communications Inc US
AS400948 Midland County Hospital District US
AS394072 Abilene Independent School District US
AS400102 Apogee Telecom Inc. US
AS22616 ZSCALER, INC. US
AS397861 BROADWAVES COMMUNICATIONS US
AS397354 Wi Fiber, Inc. US
AS19151 BroadbandONE, LLC US
AS14623 Lubbock Christian University US
AS400004 SecureNet US
AS42 WoodyNet, Inc. US
AS2381 WiscNet US
AS32098 Transtelco Inc US
AS6327 Shaw Communications CA
AS26920 DataGroup Technologies, LLC US
AS396028 Vidant Health US
AS61884 OLLA COMUNICACAO LTDA BR
AS3356 Level 3 Parent, LLC US
AS46925 PAVLOV MEDIA INC US
AS49544 i3D.net B.V NL
AS22752 MRC Global US Inc. US
AS47041 ST BERNARDS HEALTHCARE US
AS6939 Hurricane Electric LLC US

Upstreams

AS Number Description Country
AS60068 Datacamp Limited GB
AS6327 Shaw Communications CA
AS8220 COLT Technology Services Group Limited GB
AS1031 PEER 1031 LLC US
AS29838 Atlantic Metro Communications II, Inc. US
AS3303 Swisscom Schweiz AG CH
AS5650 Frontier Communications of America, Inc. US
AS1299 Arelion Sweden AB SE
AS6939 Hurricane Electric LLC US
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US

Downstreams

AS Number Description Country
AS22752 MRC Global US Inc. US
AS26289 Southside Bancshares, Inc. US
AS47041 ST BERNARDS HEALTHCARE US
AS402331 UNIVERSAL HEALTH SERVICES US
AS46523 Kinetix Broadband, LLC US
AS40600 Stride Bank, National Association US
AS32500 Airbus DS Communications Inc US
AS26793 ICS Advanced Technologies US
AS401873 UNIVERSAL HEALTH SERVICES US
AS40420 Silverline Solutions INC. US

Contacts

Email Contacts

hostmaster@cv.net

Abuse Contacts

abuse@suddenlink.net

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Frequently Asked Questions

ASN AS19108 is an Autonomous System Number used to identify a network for BGP internet routing.
AS19108 is listed under Optimum.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.