RIPEstat

Routing information (RIS)

Originates prefixes visible
Is not seen in any other route

Name and holder of this ASN:

PROOFPOINT-ASN-US-WEST

RIR	Status	Registration	Country
ARIN	ASSIGNED	2007-10-31	US

Showing results for AS26211 as of 2025-04-18 00:00:00 UTC

At 2025-04-18 00:00:00 UTC, AS26211 was visible to 100% of 340 IPv4 and 100% of 345 IPv6 RIS full peers.

First ever seen as origin announcing 207.111.247.0/24, on 2007-11-14 16:00:00 UTC.

Originated IPv4 prefixes: 44
Originated IPv6 prefixes: 3
Observed BGP neighbours: 9
Address space announced (IPv4): 12544 IPs
Address space announced (IPv6): equiv. to 4 /48s

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Showing results for AS26211 as of 2025-04-18 00:00:00 UTC

Results exclude routes with very low visibility (less than 10 RIS full-feed peers seeing).

abuse@proofpoint.com
arin-management@proofpoint.com

Details

- Results for

- RIR Information

RIR	RIR's Whois
ARIN	http://whois.arin.net/ui

Showing results for AS26211

Please note that a report sent to the above email address might not reach the correct contact. If an abuse contact appears to be invalid or missing, please report it to the relevant RIR of this resource (ARIN).

IPv4 and IPv6 results are combined in the map - click button to switch between them.

Prefix	Type	Percent	Country
148.163.132.0/22	IPv4	8.16%	US
148.163.144.0/21	IPv4	16.33%	US
148.163.156.0/23	IPv4	4.08%	US
205.220.160.0/21	IPv4	16.33%	US
205.220.168.0/22	IPv4	8.16%	US
205.220.186.0/24	IPv4	2.04%	US
205.220.190.0/23	IPv4	4.08%	US
208.84.65.0/24	IPv4	2.03%	US
208.84.65.0/24	IPv4	0.01%	US
208.84.66.0/24	IPv4	2.04%	US

Showing results for AS26211 as of 2025-04-15 15:45:45 UTC

ASNumber	26211
ASName	PROOFPOINT-ASN-US-WEST
ASHandle	26211
RegDate	2007-10-31
Ref	https://rdap.arin.net/registry/autnum/26211
source	ARIN