AS19720
Cablevision Systems Corp.
AS19720 is Cablevision Systems Corp.. It announces 2,304 IPv4 addresses in 9 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2001-02-07· isp
2,304
IPv4 addresses announced
9
IPv4 prefixes
0
IPv6 prefixes
55.56%
of its routes RPKI-valid
2,304
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States2,304 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CABLEVISION-CORP
- name
- Cablevision Systems Corp.
- org
- CVNT
- org name
- Cablevision Systems Corp.
- org address
- 1111 Stewart Avenue, Bethpage, NY, 11714
- org city
- Bethpage
- org country
- US
- country
- US
- source
- arin
- created
- 2001-02-07
- updated
- 2020-06-30
- abuse name
- OOL Hostmaster
- abuse email
- abuse@cv.net
- abuse phone
- +1-516-803-2400
- abuse kind
- role
- abuse city
- Hicksville
- abuse country
- US
- admin name
- OOL Hostmaster
- admin email
- abuse@alticeusa.com
- admin phone
- +1-516-803-2300
- admin kind
- role
- admin city
- Hicksville
- admin country
- US
- tech name
- Cablevision Internet Operations
- tech email
- hostmaster@alticeusa.com
- tech phone
- +1-516-390-5480
- tech kind
- role
- tech city
- Bethpage
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP301.30%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- Carrier IP768Verizon33.33%
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 65.51.29.0/24 | United States | valid | 17 | 2026-10-02 |
| 65.51.31.0/24 | United States | valid | 17 | 2026-10-02 |
| 167.206.119.0/24 | United States | not found | 17 | 2026-10-02 |
| 167.206.120.0/24 | United States | not found | 17 | 2026-10-02 |
| 167.206.122.0/24 | United States | not found | 17 | 2026-10-02 |
| 167.206.123.0/24 | United States | not found | 17 | 2026-10-02 |
| 216.2.193.0/24 | United States | valid | 17 | 2026-10-02 |
| 216.2.194.0/24 | United States | valid | 17 | 2026-10-02 |
| 216.2.195.0/24 | United States | valid | 17 | 2026-10-02 |
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