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AS399837 ALTAMAHA-FIBER - Altamaha Fiber

United States · Autonomous System

IPv4 announced

21.5K

0.00 × /8

IPv6 announced

/48 blocks

Prefixes

routed

Country

United States

Topology (CAIDA AS Rank)

The network's position in the inter-domain routing hierarchy: its customer cone, connectivity, and transit role.

Customer cone

ASes reachable as customers

AS rank

#12,019

by customer-cone size (1 = largest)

Connectivity

3 providers · 0 peers · 1 customers

Transit role

access

CAIDA transit classification

Upstream providers

Settlement-free peers

Downstream customers

Peering & transit neighbours (CAIDA)

Inferred AS-level relationships: 3 upstream providers, 0 peers and 1 downstream customers. The graph shows the largest few of each; the lists link through.

Upstream providers3

give this network transit

Settlement-free peers0

exchange traffic directly

None recorded.

Downstream customers1

buy transit from it

AS396423 COASTALFIBERNET - Coastal FiberNet, LLC

Relationships are inferred from BGP by CAIDA and refreshed monthly. Transit links are well captured; some private and IXP peering is under-observed, so peer counts are a lower bound.

Routing hygiene & RPKI

How well this network secures and documents its BGP announcements — RPKI origin validation, IRR registration, and an overall hygiene score.

Hygiene score

0–100 · RPKI × IRR × consistency

RPKI coverage

0 of 21.5K routed addrs valid

RPKI invalid

no invalid prefixes

IRR registered

34%

13 of 38 prefixes documented

Announcement composition38 routed prefixes

IPv6 deployment

Measured share of this network's users reaching the Internet over IPv6 (APNIC end-user measurement, United States).

IPv6 capable

0.3%

users that can reach IPv6-only content

IPv6 preferred

0.2%

users that use IPv6 when both are offered

Capable0.3%

Has working IPv6 connectivity, even if it isn't always chosen.

Preferred0.2%

IPv6 wins when a destination is dual-stacked — the real-world usage rate.

Announced prefixes

Currently announced prefixes, live from RIPEstat.

38 prefixes currently seen by RIPEstat.

209.239.57.0/24136.245.129.0/24209.239.52.0/24209.239.36.0/24209.239.45.0/24209.239.44.0/24209.239.42.0/24209.239.56.0/24209.239.54.0/24209.239.32.0/24209.239.32.0/19136.245.131.0/24209.239.35.0/24209.239.55.0/24209.239.39.0/24136.245.132.0/24209.239.62.0/24209.239.49.0/24209.239.60.0/24209.239.37.0/24209.239.38.0/24209.239.47.0/24209.239.46.0/24209.239.51.0/24209.239.48.0/24209.239.63.0/24209.239.40.0/24209.239.50.0/24209.239.58.0/24136.245.128.0/20209.239.43.0/24209.239.41.0/24209.239.59.0/24136.245.130.0/24209.239.34.0/24209.239.53.0/24209.239.33.0/24136.245.136.0/24

Fetching announced prefixes from RIPEstat…