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AS12257 Dell, Inc.

United States EMC-AS12257 ARIN 63 IPv4 prefixes 5 IPv6 prefixes
IPv4 addresses
16,128
IPv6 /48 networks
1,028
RPKI
3 valid1 invalid64 no ROA
Peers and downstreams
1

Holder

AS name
EMC-AS12257
Description
Dell, Inc.
Organisation
Dell, Inc.
Abuse contact
Not published
Assigned
1999-05-02
Registered
1999-05-03
Record last changed
2023-03-20 11:22 UTC
12.7.200.0/24128.221.208.0/24128.221.209.0/24128.221.212.0/24128.221.213.0/24128.221.214.0/24128.221.215.0/24128.221.216.0/24128.221.217.0/24128.221.218.0/24128.221.219.0/24128.221.220.0/24128.221.221.0/24128.221.222.0/24128.221.223.0/24128.221.224.0/24128.221.225.0/24128.221.226.0/24128.221.227.0/24128.221.228.0/24128.221.230.0/24128.221.231.0/24128.221.232.0/24128.221.233.0/24128.221.235.0/24128.221.237.0/24128.221.239.0/24132.237.141.0/24137.69.113.0/24137.69.117.0/24147.178.2.0/24147.178.4.0/24147.178.5.0/24147.178.6.0/24147.178.7.0/24147.178.8.0/24152.62.108.0/24152.62.109.0/24152.62.110.0/24152.62.112.0/24152.62.113.0/24152.62.115.0/24152.62.118.0/24152.62.154.0/24152.62.155.0/24152.62.163.0/24152.62.164.0/24152.62.165.0/24152.62.184.0/24152.62.185.0/24152.62.186.0/24152.62.187.0/24152.62.193.0/24152.62.97.0/24163.244.40.0/24163.244.72.0/24168.159.160.0/24168.159.162.0/24168.159.212.0/24168.159.213.0/24168.159.215.0/24198.161.247.0/24199.245.235.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS14840 BR.Digital Telecom AS14840 · BR BR.Digital Telecom AS174 AS174 AS174 AS174 AS6461 Zayo Bandwidth AS6461 · US Zayo Bandwidth AS24482 SG.GS AS24482 · SG SG.GS AS25091 IP-Max SA AS25091 · CH IP-Max SA AS9583 Sify Limited AS9583 · IN Sify Limited AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS7018 AT&T Enterprises, LLC AS7018 · US AT&T Enterprises, LLC AS8220 COLT Technology Services Group Limited AS8220 · GB COLT Technology Servi… AS9498 BHARTI Airtel Ltd. AS9498 · IN BHARTI Airtel Ltd. AS701 Uunet AS701 · US Uunet AS4755 TATA Communications formerly VSNL is Leading ISP AS4755 · IN TATA Communications f… AS4657 StarHub Ltd AS4657 · SG StarHub Ltd AS1273 IDDQD-AS AS1273 · EU IDDQD-AS AS12400 Partner Communications Ltd. AS12400 · IL Partner Communication… AS12257 Dell, Inc. AS12257 · US Dell, Inc.

Network health

Grade E · 36/100
partly Prefixes covered by valid ROAs
3 of 68 announced prefixes are RPKI valid, 64 have no ROA.		 1/25
fail No RPKI invalid announcements
1 announced prefix is RPKI invalid and dropped by networks that validate.		 0/10
pass Announces IPv6
5 IPv6 prefixes.		 15/15
pass More than one upstream
12 upstreams seen in BGP.		 10/10
fail Working abuse contact
No abuse contact is published in the registry.		 0/15
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
fail Registry record maintained
Last changed 2023-03-20.		 0/5
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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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:        AS12257
as-name:        EMC-AS12257
handle:         AS12257
registrant:     DCC-25 (Dell, Inc.)
administrative: ADMIN6446-ARIN (Admin) <tatebrandt@cox.net>
noc,abuse:      OPERA394-ARIN (Operations Center) <ipregistrars.abuse@dell.com>
technical,dns:  PRESS58-ARIN (James Pressley) <james.pressley@dell.com>
technical,dns:  ANDER430-ARIN (Colm Anderson) <colm.anderson@dell.com>
last changed:   2023-03-20T07:22:32-04:00
registration:   1999-05-03T00:00:00-04:00
source:         ARIN (RDAP)