206208 looking glass

AS19108 Optimum 🇺🇸 US

Announcing 437 prefixes, seen at the RIS collectors.

IPv4 prefixes
410
6,981,888 (27,273 × /24)
IPv6 prefixes
27
1.8 × /32
Upstreams
5
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
73
transit customers observed
Customer cone
505
ASes reachable through it

Registry and operator data

AS number
AS19108
Name
Optimum
Organisation
Suddenlink Communications
Country
🇺🇸 US
RIR
ARIN
Allocated
2000-11-20
Network type
Cable/DSL/ISP
Traffic levels
1-5Tbps
Scope
North America
Peering policy
Selective
IRR as-set
AS-SUDDENLINK-TRANSIT
Website
http://www.suddenlink.com
PeeringDB
net/1183
Exchanges
4
Facilities
6

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

25 valid (5.7%) 0 invalid (0.0%) 412 no ROA (94.3%)

Whois

Fetched from whois.arin.net

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

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

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