Autonomous system detail

AS1681

Not announced

No prefixes for this AS number were observed in the RouteViews RIB.

Summary

// analyst note
No routes or AS_PATH neighbours were observed in the combined Route Views snapshot at 2026-11-06 20:00 UTC. This is not evidence of inactivity, ownership, or safety.
IPv4 prefixes
0
~0 addresses
IPv6 prefixes
0
—
Peer networks
0
0 up · 0 down
IANA block
1-1876
Assigned by ARIN
[ 01 ] — Context

About this ASN.

Updated  ·  Confidence: Low  ·  3 sources  ·  How this page is checked

AS1681 has no prefixes or AS_PATH neighbours observed in the combined Route Views snapshot at 2026-11-06 20:00 UTC, so this observation offers no live-routing signal for triage. It does not establish that the ASN is dormant or inactive.

IANA places AS1681 in the 1–1876 resource block, which it describes as assigned by ARIN. This identifies the allocating RIR for the block; it does not identify an individual assignee, operator, country, service, or current use.

For identification, compare this result with a later routing snapshot and consult authoritative registry records for any assignment details. If investigating a particular IP address or service, establish its current announced prefix and trace that prefix to its origin ASN; this snapshot alone cannot link an address or service to AS1681.

The routing counts combine route-views2 and route-views6 observations. No prefixes, addresses, or neighbours were observed in that combined view. The empty neighbour sample provides no basis to infer upstreams, customer relationships, commercial peers, security reputation, or legitimacy.

Routing snapshot
Zero IPv4 and IPv6 prefixes and zero AS_PATH neighbours observed in the combined route-views2 and route-views6 observation at 2026-11-06 20:00 UTC.
Triage
No live-routing signal appears in this snapshot; absence here does not establish inactivity.
Identity
Individual assignment and operator are Unknown; IANA identifies ARIN as the allocating RIR for the encompassing resource block.
Investigation
Check later routing observations and authoritative assignment records; associate any address or service only through its observed announced prefix and origin.
RIR
ARIN [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
Operator
Unknown [Unknown]
Country
Unknown [Unknown]
Website
Unknown [Unknown]

Network & routing

Network type
Unknown [Unknown]
Observation scope
combined RouteViews snapshot at 2026-11-06T20:00:00.000Z; route-views2, route-views6 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2
ASN
1681 [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv
IPv4 prefixes observed
0 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2
IPv4 address estimate
0 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2
IPv6 prefixes observed
0 [Confirmed] — https://archive.routeviews.org/route-views6/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2
AS_PATH neighbour count
0 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2
Organization status
Unknown [Unknown]
[ 02 ] — Announced prefixes

What this network routes.

0 prefixes total · as observed by RouteViews at 2026-11-06 · one collector view, not a global census
// IPv4 prefixes0
No IPv4 prefixes announced.
// IPv6 prefixes0
No IPv6 prefixes announced.
[ 03 ] — Notable peers & upstreams

Who it talks to.

0 observed neighbours
Neighbour data unavailable from public BGP collectors.