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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
	45.131.152.0/24	xTom GmbH
	128.241.220.0/24	NTT America, Inc.
	128.241.221.0/24	NTT America, Inc.
	128.241.224.0/24	NTT America, Inc.
	128.241.225.0/24	NTT America, Inc.
	128.241.226.0/24	NTT America, Inc.
	128.241.227.0/24	NTT America, Inc.
	128.241.228.0/24	NTT America, Inc.
	128.241.229.0/24	NTT America, Inc.
	128.241.230.0/24	NTT America, Inc.
	128.241.231.0/24	NTT America, Inc.
	128.241.232.0/24	NTT America, Inc.
	128.241.233.0/24	NTT America, Inc.
	128.241.234.0/24	NTT America, Inc.
	128.241.235.0/24	NTT America, Inc.
	128.241.236.0/24	NTT America, Inc.
	128.241.237.0/24	NTT America, Inc.
	128.241.238.0/24	NTT America, Inc.
	128.241.239.0/24	NTT America, Inc.
	128.241.240.0/24	NTT America, Inc.
	128.241.241.0/24	NTT America, Inc.
	128.241.242.0/24	NTT America, Inc.
	128.241.243.0/24	NTT America, Inc.
	128.241.244.0/24	NTT America, Inc.
	128.241.245.0/24	NTT America, Inc.
	128.241.246.0/24	NTT America, Inc.
	128.241.247.0/24	NTT America, Inc.
	128.241.248.0/24	NTT America, Inc.
	128.241.249.0/24	NTT America, Inc.
	128.241.250.0/24	NTT America, Inc.
	128.241.251.0/24	NTT America, Inc.
	128.241.252.0/24	NTT America, Inc.
	128.241.253.0/24	NTT America, Inc.
	128.241.254.0/24	NTT America, Inc.
	128.241.255.0/24	NTT America, Inc.
	2001:418:1411::/48	NTT America, Inc.
	2401:bbe0:400::/40	TIANFENG (HONG KONG) COMMUNICATIONS LIMITED

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS54801	Zillion Network Inc.	✔	✘
	AS3491	PCCW Global, Inc.	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS152475	BGPNET PTE. LTD.	✔	✘
	AS136897	Enjoyvc Cloud Group Limited.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS54801	Zillion Network Inc.	✔	✘
	AS152475	BGPNET PTE. LTD.	✔	✔
	AS3491	PCCW Global, Inc.	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS64096	Internet Harbor International Co., Ltd.	✔	✘
	AS136897	Enjoyvc Cloud Group Limited.	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS54801	Zillion Network Inc.	✔	✘
	AS152475	BGPNET PTE. LTD.	✔	✔
	AS64096	Internet Harbor International Co., Ltd.	✔	✘

aut-num:        AS213802
as-name:        TF
org:            ORG-TKCL1-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS213802
import:         from AS1299 accept ANY
export:         to AS1299 announce AS213802
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         noc
created:        2024-11-26T11:50:34Z
last-modified:  2024-11-26T11:50:34Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-TKCL1-RIPE
org-name:       Tianfeng (Hong Kong) Communications Limited
country:        HK
org-type:       LIR
address:        Dummy address for ORG-TKCL1-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        AR77227-RIPE
mnt-ref:        lir-hk-tianfeng-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-hk-tianfeng-1-MNT
created:        2024-11-20T10:10:23Z
last-modified:  2024-11-20T10:10:23Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2026-02-07T03:24:18Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-set-zni	232
RADB	as58453:as-americaascust	7922
APNIC	as137983:as-tianfeng	230
ARIN	as13335:as-customers	1530
APNIC	as58453:as-americaascust	7922
APNIC	as-136897-sg	9
RADB	as-tpix-2002	56