Home / ASNs / AS397635

AS397635 US Synopsys Inc.

Updated 21.10.2026 16:15 UTC
US United States 15 IPv4 0 IPv6 4 Neighbors 4 Upstreams 0 Downstreams 0 Peering

AS Info

Organization
Synopsys Inc.
Country
US United States
Last seen in BGP
21.10.2026 16:05 UTC

RPKI

2 ROA
Valid 0 Invalid 0 No ROA 15

Prefix locations

  • US United States 15

External links

PeeringDB RIPEstat bgp.tools Hurricane Electric IRR Explorer JSON API
Neighbors as seen from AS208972, thicker lines carry more routes. UpstreamsAS397635Downstreams
#ASNameRelationRoutesShare
1 AS3356 US Lumen AS3356 Upstream 11
2 AS7018 US AT&T US - 7018 Upstream 2
3 AS29909 CA MetroOptic, Inc. Upstream 1
4 AS6461 US Zayo (Abovenet Communications Inc.) Upstream 1
None seen in the routing table.
None seen in the routing table.
#ASNameRelationRoutesShare
1 AS3356 US Lumen AS3356 Upstream 11
2 AS7018 US AT&T US - 7018 Upstream 2
3 AS29909 CA MetroOptic, Inc. Upstream 1
4 AS6461 US Zayo (Abovenet Communications Inc.) Upstream 1
PrefixDescriptionLocationRPKIPaths
149.117.4.0/24 US Hillsboro No ROA 1
149.117.7.0/24 US Hillsboro No ROA 1
149.117.72.0/21 US Mountain View No ROA 1
149.117.73.0/24 US Mountain View No ROA 1
149.117.74.0/24 US Mountain View No ROA 1
149.117.75.0/24 US Mountain View No ROA 1
149.117.76.0/24 US Mountain View No ROA 1
149.117.79.0/24 US Mountain View No ROA 1
149.117.87.0/24 US Hillsboro No ROA 1
149.117.92.0/24 US No ROA 1
149.117.92.0/23 US No ROA 1
149.117.93.0/24 US No ROA 1
149.117.96.0/22 US No ROA 1
149.117.96.0/24 US No ROA 1
149.117.98.0/24 US No ROA 1
No prefixes announced.
PrefixDescriptionWithdrawn
149.117.51.0/24 21.10.2026 12:21