
12200 RACKSPACE, US
Adjacency: 37 Upstream: 17 Downstream: 20
Upstream Adjacent AS list
AS11164 INTERNET2-I2PX, US
AS293 ESNET, US
AS3303 SWISSCOM Swisscom Switzerland Ltd, CH
AS37100 SEACOM-AS, MU
AS3741 IS, ZA
AS3300 BT, GB
AS12552 IPO-EU, SE
AS13237 LAMBDANET-AS European Backbone of AS13237, DE
AS3491 CONSOLE-CONNECT-ASN, US
AS9002 RETN-AS, GB
AS6939 HURRICANE, US
AS4826 VOCUS-BACKBONE-AS Vocus Connect International Backbone, AU
AS6461 ZAYO-6461, US
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS174 COGENT-174, US
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK, US
AS3356 LEVEL3, US
Downstream Adjacent AS list
AS14343 JDASOFTWARE, US
AS14492 DATAPIPE, US
AS16805 DATAPIPE-MID, US
AS22576 DATAPIPE-ASN2, US
AS24778 DATAPIPE-UK, GB
AS27357 RACKSPACE, US
AS398699 WCCE, US
AS397012 OXYAHGC-01, US
AS39921 DE-RACKSPACE Frankfurt, Germany, GB
AS54535 NIKEUS-NV, US
AS46202 MICHAELS-ATT-DS3, US
AS33070 RMH-14, US
AS19994 RACKSPACE, US
AS15395 RACKSPACE-LON, GB
AS58683 RACKSPACE-AS Rackspace.com Sydney, HK
AS213735 SK2, DE
AS213740 OSL02, DE
AS198220 GOGRID, GB
AS44009 SLEEK-ASN, GB
AS22205 DATAPIPE-SEA, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 14213 AS12200 ORG+TRN Originate: 5888 /19.48 Transit: 2235136 /10.91 RACKSPACE, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 20872 AS12200 RACKSPACE, US 12 2 1 11 1 8.33% Prefix AS Path Aggregation Suggestion 146.20.220.0/22 57866 1299 12200 146.177.20.0/23 6939 32787 12200 + Announce - aggregate of 146.177.20.0/24 (6939 32787 12200) and 146.177.21.0/24 (6939 32787 12200) 146.177.20.0/24 6939 32787 12200 - Withdrawn - aggregated with 146.177.21.0/24 (6939 32787 12200) 146.177.21.0/24 6939 32787 12200 - Withdrawn - aggregated with 146.177.20.0/24 (6939 32787 12200) 146.177.56.0/24 57866 1299 12200 146.177.74.0/24 6939 32787 12200 166.86.0.0/22 3303 12200 171.33.145.0/24 57866 9002 12200 174.143.80.0/24 6939 12200 199.253.202.0/23 6939 12200 199.253.204.0/23 6939 12200 204.9.96.0/24 293 12200 208.95.152.0/22 3303 12200
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS12200 6 More Specifics 6 Total Advertisements RACKSPACE, US
146.20.209.0/24 146.20.0.0/16
146.20.220.0/22 146.20.0.0/16
146.177.20.0/24 146.177.0.0/16
146.177.21.0/24 146.177.0.0/16
146.177.74.0/24 146.177.0.0/16
204.9.96.0/24 204.9.96.0/22
whois: 402603
IANA has recorded AS12200 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS12200\n
#
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 12200
ASName: RACKSPACE
ASHandle: AS12200
RegDate: 2007-05-16
Updated: 2013-04-09
Ref: https://rdap.arin.net/registry/autnum/12200
OrgName: Rackspace Hosting
OrgId: RACKS-8
Address: 1718 Dry Creek Way
Address: Ste 115
City: San Antonio
StateProv: TX
PostalCode: 78259-1837
Country: US
RegDate: 2010-03-29
Updated: 2025-01-31
Ref: https://rdap.arin.net/registry/entity/RACKS-8
OrgTechHandle: ZR9-ARIN
OrgTechName: Rackspace, com
OrgTechPhone: +1-210-312-4000
OrgTechEmail: hostmaster@rackspace.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZR9-ARIN
OrgAbuseHandle: ABUSE45-ARIN
OrgAbuseName: Abuse Desk
OrgAbusePhone: +1-210-312-4000
OrgAbuseEmail: abuse@rackspace.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE45-ARIN
OrgTechHandle: HANSE157-ARIN
OrgTechName: Hansell, Chris
OrgTechPhone: +1-210-312-4000
OrgTechEmail: chris.hansell@rackspace.com
OrgTechRef: https://rdap.arin.net/registry/entity/HANSE157-ARIN
OrgNOCHandle: HANSE157-ARIN
OrgNOCName: Hansell, Chris
OrgNOCPhone: +1-210-312-4000
OrgNOCEmail: chris.hansell@rackspace.com
OrgNOCRef: https://rdap.arin.net/registry/entity/HANSE157-ARIN
OrgTechHandle: IPADM17-ARIN
OrgTechName: IPADMIN
OrgTechPhone: +1-210-312-4000
OrgTechEmail: hostmaster@rackspace.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPADM17-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#