AS1657

AS1657 is an ASN with an unknown operator; a combined snapshot from route-views2 and route-views6 observed 14 IPv4 prefixes and one IPv6 prefix at 2026-11-06 20:00 UTC. This is a timestamped routing observation, not evidence of who operates the ASN or whether its announcements are safe or legitimate.

The IANA number registry identifies AS1657 as assigned by ARIN within resource range 1–1876. This identifies the allocating RIR for the number block; it does not provide an individual assignment record, organization, country, or network purpose.

The combined routing observation estimates 65,536 IPv4 addresses and records two AS_PATH neighbours: AS3714 and AS49915. These adjacencies do not establish verified peering, upstream, customer, or provider relationships. For an operational investigation, compare a later snapshot and inspect the relevant paths and individual prefixes in context; do not infer inactivity or safety from what this single observation does not show.

Identity

Operator and country are Unknown; registry allocation and routing counts do not establish them.

Observed routing

The combined route-views2 and route-views6 snapshot at 2026-11-06 20:00 UTC contains 14 IPv4 prefixes and one IPv6 prefix.

Triage

AS_PATH neighbours AS3714 and AS49915 are observed adjacencies, not verified commercial relationships. The snapshot supplies no security finding.

Operator

Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv

Country

Unknown [Unknown] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv

ASN

1657 [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv

Allocating RIR

ARIN [Confirmed] — https://www.iana.org/assignments/as-numbers/as-numbers-1.csv

Observed IPv4 prefixes

14, combined snapshot at 2026-11-06 20:00 UTC [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2

Observed IPv6 prefixes

1, combined snapshot at 2026-11-06 20:00 UTC [Confirmed] — https://archive.routeviews.org/route-views6/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2

Observed IPv4 address estimate

65,536, combined snapshot at 2026-11-06 20:00 UTC [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2

Observed AS_PATH neighbour count

2 [Confirmed] — https://archive.routeviews.org/route-views2/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2

Observed AS_PATH neighbours

AS3714, AS49915 [Confirmed] — https://archive.routeviews.org/route-views6/bgpdata/2026.11/RIBS/rib.20261106.2000.bz2