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AS62837 Smart Fiber Networks

United States AS-SFN ARIN 1 IPv4 prefix 1 IPv6 prefix
IPv4 addresses
256
IPv6 /48 networks
65,536
RPKI
2 valid0 no ROA
Peers and downstreams
0

Holder

AS name
AS-SFN
Description
400 Santa Clara St #100 Vallejo CA 94590 United States
Organisation
Smart Fiber Networks
Abuse contact
Not published
Assigned
2023-12-21
Registered
2023-12-22
Record last changed
2026-08-18 19:00 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6461 Zayo Bandwidth AS6461 · US Zayo Bandwidth AS62837 Smart Fiber Networks AS62837 · US Smart Fiber Networks

Network health

Grade B · 85/100
pass Prefixes covered by valid ROAs
2 of 2 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
1 IPv6 prefix.		 15/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
accounting@smartfibernetworks.com is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
pass Registry record maintained
Last changed 2026-08-18.		 5/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS62837 health AS62837 RPKI
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Routing changes

Last 30 days
No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS62837
as-name:        SMARTFIBERNETWORKS
handle:         AS62837
registrant:     SFN-31 (Smart Fiber Networks)
routing,dns,technical,noc,abuse:CSP53-ARIN (Caleb S Pal) <cpal@pal-communications.com>
noc,abuse,routing,dns,technical:MPE54-ARIN (Matt Peterson) <matt+arin@peterson.org>
abuse,routing,noc,administrative,dns,technical:SSS73-ARIN (Stephen Stephen Stukas) <accounting@smartfibernetworks.com>
noc,abuse,routing,dns,technical:TP47-ARIN (Tim Pozar) <pozar@twop.co>
noc,technical,dns,routing,abuse:SUBBO-ARIN (Vitaly Subbotin) <vitaly@smartfibernetworks.com>
last changed:   2026-08-18T15:00:10-04:00
registration:   2023-12-22T07:06:18-05:00
source:         ARIN (RDAP)