240e:983:1a00::/40

Originated by AS4134
AS Name: China Telecom Backbone

Overview
Connectivity
Whois
Validation

Registered on: 14 Dec 2011 (13 years old)

Registered to: A925F2FC (apnic)

Prefix status: Active, Allocated under APNIC

Size of prefix: 256 /48's

Less Specific Announcements

	Prefix	Description
	240e::/20	Chinatelecom networks with tens of high-end routers a...

Upstreams

AS7018 - AT&T Enterprises, LLC
AS12956 - Telxius (Telefonica Global)
AS5511 - Orange S.A.
AS6762 - Telecom Italia Sparkle (Seabone)
AS6830 - Liberty Global B.V.
AS3320 - Deutsche Telekom AG
AS6453 - TATA Communications (America) Inc
AS3491 - PCCW Global, Inc.

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS7018	AT&T Enterprises, LLC
	AS12956	Telxius (Telefonica Global)
	AS5511	Orange S.A.
	AS6762	Telecom Italia Sparkle (Seabone)
	AS6830	Liberty Global B.V.
	AS3320	Deutsche Telekom AG
	AS6453	TATA Communications (America) Inc
	AS3491	PCCW Global, Inc.
	AS3257	GTT Communications Inc.
	AS2914	NTT America, Inc.
	AS3356	Lumen (Level 3)
	AS1299	Arelion (fka. Telia Carrier)

Peers

	ASN	Description
	AS29208	Quantcom, a.s.
	AS42473	ANEXIA Internetdienstleistungs GmbH
	AS6057	Administracion Nacional de Telecomunicaciones
	AS17378	TierPoint, LLC
	AS3213	Bogons Ltd
	AS32590	Valve Corporation
	AS3303	Swisscom (Schweiz) AG
	AS56665	Proximus Luxembourg S.A.
	AS7018	AT&T Enterprises, LLC
	AS1351	University of Vermont
	AS47692	Nessus GmbH
	AS20326	TeraSwitch Networks Inc.
	AS37701	CINX Route Servers
	AS3292	TDC Holding A/S
	AS11164	Internet2 I2PX
	AS8966	Etisalat (ETC)
	AS38016	Nokia IP Networks Labs
	AS47638	Cadence Networks Ltd
	AS23764	China Telecom Global
	AS24482	SG.GS
	AS199524	Gcore S.A.
	AS42689	Glide Student & Residential Limited
	AS2603	NORDUnet
	AS8426	Claranet Limited
	AS397423	Tier.Net Technologies LLC
	AS8767	M-net Telekommunikations GmbH
	AS1820	WNET TELECOM USA Corp.
	AS49028	D-LAKE SAS
	AS328137	Web Squad Connect (Pty) Ltd
	AS7843	Charter Communications Inc
	AS57304	RETN Russia
	AS206014	SARL IPSET
	AS21485	IP Excess AB
	AS37239	ICTGlobe Management (Pty) Ltd
	AS39249	Netassist International EOOD
	AS680	Deutsches Forschungsnetz (DFN)
	AS39351	31173 Services AB
	AS213481	Hevis Co Systems PTY LTD
	AS21559	OSNET
	AS2635	Automattic, Inc
	AS56987	ABACLOUDA SAS
	AS1764	Next Layer Telecommunications
	AS8801	Rocket Fibre Ltd
	AS2119	Telenor Norge AS
	AS64049	Reliance Jio Infocomm Pte. Ltd.
	AS3462	HiNet (Chunghwa Telecom)
	AS4230	Claro (Embratel)
	AS50628	Leonix Telecom SAS
	AS6661	POST Luxembourg
	AS63034	DE-CIX New York Route Servers
	AS327872	IBITS Internet (pty) Ltd
	AS29802	HIVELOCITY, Inc.
	AS8220	COLT
	AS44530	HOPUS SAS
	AS1828	Unitas Global
	AS1836	green.ch AG
	AS6327	Shaw Communications
	AS37468	Angola Cables
	AS7922	Comcast Cable Communications, LLC
	AS52075	Wifirst S.A.S.
	AS42708	Glesys AB
	AS209823	Enki Multimedia EURL
	AS9808	China Mobile Backbone
	AS2027	MilkyWan
	AS1273	Vodafone Group PLC
	AS49544	i3D.net B.V
	AS12956	Telxius (Telefonica Global)
	AS9002	RETN Limited
	AS35280	F5 Networks SARL
	AS29632	Netassist International EOOD
	AS52320	V.tal (GlobeNet)
	AS7195	EdgeUno
	AS24961	WIIT AG (fka. myLoc Managed IT AG)
	AS34019	Hivane Association
	AS60068	Datacamp Limited (CDN77 / DataPacket)
	AS5511	Orange S.A.
	AS24940	Hetzner Online GmbH
	AS2497	Internet Initiative Japan Inc.
	AS3399	Obenet AB
	AS33891	Core-Backbone GmbH
	AS50629	LWLcom GmbH
	AS34549	meerfarbig GmbH & Co. KG
	AS25091	IP-Max SA
	AS58299	Openfactory GmbH
	AS6762	Telecom Italia Sparkle (Seabone)
	AS6830	Liberty Global B.V.
	AS3320	Deutsche Telekom AG
	AS6453	TATA Communications (America) Inc
	AS3491	PCCW Global, Inc.
	AS6461	Zayo Bandwidth
	AS3257	GTT Communications Inc.
	AS2914	NTT America, Inc.
	AS3356	Lumen (Level 3)
	AS1299	Arelion (fka. Telia Carrier)
	AS6939	Hurricane Electric LLC

Last Update: 2025-11-16T03:23:31Z UTC

IRR Databases

IRR	Expected ASN
radb	AS4134	Show Raw route6: 240e:983:1a00::/40 origin: AS4134 descr: China Telecom mnt-by: MAINT-CT-GNOC changed: zhanglt@chinatelecom.cn 20211217 #09:22:01Z source: RADB last-modified: 2023-11-13T16:09:04Z
radb	AS4811	Show Raw route6: 240e:983:1a00::/40 origin: AS4811 descr: SHIDC mnt-by: MAINT-AS4812 changed: zroco@online.sh.cn 20211214 #04:45:44Z source: RADB last-modified: 2023-11-13T16:17:04Z
radb	AS4812	Show Raw route6: 240e:983:1a00::/40 origin: AS4812 descr: Chinanet Shanghai mnt-by: MAINT-AS4812 changed: zroco@online.sh.cn 20200528 #02:57:01Z source: RADB last-modified: 2023-11-13T16:17:04Z

IRR

Expected ASN

radb

AS4134

Show Raw

route6:         240e:983:1a00::/40
origin:         AS4134
descr:          China Telecom
mnt-by:         MAINT-CT-GNOC
changed:        zhanglt@chinatelecom.cn 20211217  #09:22:01Z
source:         RADB
last-modified:  2023-11-13T16:09:04Z

radb

AS4811

Matches IRR source, but under a different ASN

Show Raw

route6:         240e:983:1a00::/40
origin:         AS4811
descr:          SHIDC
mnt-by:         MAINT-AS4812
changed:        zroco@online.sh.cn 20211214  #04:45:44Z
source:         RADB
last-modified:  2023-11-13T16:17:04Z

radb

AS4812

Show Raw

route6:         240e:983:1a00::/40
origin:         AS4812
descr:          Chinanet Shanghai
mnt-by:         MAINT-AS4812
changed:        zroco@online.sh.cn 20200528  #02:57:01Z
source:         RADB
last-modified:  2023-11-13T16:17:04Z

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Less Specific Announcements

Upstreams

Upstreams

Peers

IRR Databases