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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	193.119.0.0/24	China Telecom
	193.119.4.0/24	China Telecom
	193.119.6.0/24	China Telecom
	193.119.8.0/24	China Telecom
	193.119.10.0/24	China Telecom
	193.119.11.0/24	China Telecom
	193.119.12.0/24	China Telecom
	193.119.13.0/24	China Telecom
	193.119.15.0/24	China Telecom
	193.119.17.0/24	China Telecom
	193.119.19.0/24	China Telecom
	193.119.20.0/24	China Telecom
	193.119.21.0/24	China Telecom
	193.119.22.0/24	China Telecom
	193.119.25.0/24	China Telecom
	193.119.28.0/24	China Telecom
	193.119.30.0/24	China Telecom
	240e:983:2010::/48	Chinatelecom IPv6 address for IDC & Cloud service
	240e:983:2013::/48	Chinatelecom IPv6 address for IDC & Cloud service
	240e:983:2020::/48	Chinatelecom IPv6 address for IDC & Cloud service
	240e:983:2022::/48	Chinatelecom IPv6 address for IDC & Cloud service
	240e:983:2030::/48	Chinatelecom IPv6 address for IDC & Cloud service

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS21859	Zenlayer Inc	✔	✔
	AS138915	Kaopu Cloud HK Limited	✔	✔
	AS23764	China Telecom Global	✔	✔
	AS9886	CTCSCI TECH LIMITED	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS21859	Zenlayer Inc	✔	✔
	AS138915	Kaopu Cloud HK Limited	✔	✔
	AS23764	China Telecom Global	✔	✔
	AS9886	CTCSCI TECH LIMITED	✔	✘
	AS4809	China Telecom Next Generation Carrier Network	✔	✘

aut-num:        AS151397
as-name:        CT-eSurfingCloud-CDN
descr:          China Telecom
descr:          Data Network Management Division
descr:          Network Operation & Maintenance Department
descr:          No 19 Chaoyangmen North Street
descr:          Dongcheng District
country:        CN
org:            ORG-CT1-AP
admin-c:        CH2075-AP
tech-c:         CH2075-AP
abuse-c:        AC1573-AP
mnt-lower:      MAINT-CN-CHINANETCLOUD
mnt-routes:     MAINT-CN-CHINANETCLOUD
mnt-by:         APNIC-HM
mnt-irt:        IRT-CHINANET-CN
last-modified:  2023-06-06T23:39:07Z
source:         APNIC


organisation:   ORG-CT1-AP
org-name:       China Telecom
country:        CN
address:        ********
address:        ********
address:        ********
address:        ********
phone:          ********
fax-no:         ********
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2019-09-16T12:55:07Z
source:         APNIC

Last Update: 2026-02-09T03:22:33Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-bbix-t	892
RADB	as-telstra-intl-customers	12012
APNIC	as-kaopuyun	29
RADB	as-c3	1
RADB	as-ctgnet	67966
JPIRR	as-bbix-t	892
APNIC	as138915:as-customer	29
RADB	as-hurricane	24479
RADB	as-00net	929
RADB	as-zenlayer	3109
RADB	as-ctcdn	1
RADB	as-ctgnet-cut	21131
RADB	as-telstra-testing-1	11788
APNIC	as63529:as-63529-as-import-as23764	621
RIPE	as-transroute-spec	19663
RIPE	as-retn-actual-v4	12435