AS19872 — CUSTOM-76

AS19872 announces 10 IPv4 prefixes covering 6,656 addresses and 1 IPv6 prefixes.

About this network

CUSTOM-76 is held by Point Broadband Fiber Holding, LLC.

What it's used for

• The address space carries fiber access traffic, evidenced by the netname M-33-ACCESS-WAN assigned to nine of the ten announced IPv4 prefixes.
• The AS announces 6656 IPv4 addresses across 10 prefixes and 1 IPv6 prefix, while maintaining only 1 observed routing neighbour; this high address-to-neighbour ratio indicates an access or eyeball network rather than a transit provider.

Notable

• Registrants align with the announcer for the majority of the inventory, with Point Broadband Fiber Holding, LLC listed for all prefixes except 65.111.196.0/24, which is registered to Kirtland under the netname KIRTLANDWAN.
• The address inventory is concentrated in the 65.111.192.0/22 range, consisting of four /22 blocks, four /23 blocks, and two /24 blocks, all within the United States.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 65.111.192.0/22
• 65.111.196.0/24
• 65.111.198.0/23
• 65.111.200.0/23
• 65.111.202.0/24
• 65.111.204.0/22
• 65.111.208.0/22
• 65.111.212.0/23
• 65.111.216.0/22
• 65.111.222.0/23
• 2607:fbd0::/32

Upstream networks

• AS46208 Peninsula Fiber Network, LLC

Adjacent networks

• AS46208 Peninsula Fiber Network, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-13986, AS-18474, AS-CHTR-BB, AS-HURRICANE, AS-HURRICANEV6, AS-LIQUID-AMSIXPEERS, AS-TRANSROUTE-SPEC, AS46208:AS-ALL.