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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
	62.100.204.0/22	Krystal Hosting Ltd
	77.72.0.0/21	Krystal Hosting Ltd
	91.194.74.0/23	Krystal Hosting Ltd
	95.131.248.0/21	Krystal Hosting Ltd
	141.98.24.0/22	Krystal Hosting Ltd
	151.252.0.0/24	Krystal Hosting Ltd
	151.252.1.0/24	Krystal Hosting Ltd
	151.252.3.0/24	Krystal Hosting Ltd
	151.252.4.0/24	Krystal Hosting Ltd
	151.252.5.0/24	Krystal Hosting Ltd
	152.89.76.0/22	Krystal Hosting Ltd
	152.89.76.0/24	Krystal Hosting Ltd
	185.22.208.0/22	Krystal Hosting Ltd
	185.44.252.0/22	Krystal Hosting Ltd
	185.53.56.0/22	Krystal Hosting Ltd
	185.69.56.0/22	Krystal Hosting Ltd
	185.110.248.0/22	Dial 9 Communications Limited
	185.116.212.0/22	Krystal Hosting Ltd
	185.116.214.0/24	Krystal Hosting Ltd
	185.194.88.0/22	Krystal Hosting Ltd
	185.199.220.0/22	Krystal Hosting Ltd
	185.199.220.0/24	Krystal Hosting Ltd
	151.252.2.0/24	Krystal Hosting Ltd
	2a03:2800::/32	Krystal Hosting Ltd
	2a03:2802::/32	Krystal Hosting Ltd
	2a03:2803::/32	Krystal Hosting Ltd
	2a03:2804::/32	Krystal Hosting Ltd
	2a06:5a80::/29	Dial 9 Communications Limited

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS3223	Voxility LLP	✔	✘
	AS12025	Iron Mountain Data Centers	✔	✔
	AS35266	EX Networks Limited	✔	✔
	AS20473	The Constant Company, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS12025	Iron Mountain Data Centers	✔	✔
	AS3223	Voxility LLP	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS57770	Echo Internet Limited	✔	✘
	AS35266	EX Networks Limited	✔	✔
	AS402566	Modern Connectivity, LLC	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✔
	AS208393	Dedcloud Network Ltd	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS57770	Echo Internet Limited	✔	✘
	AS402566	Modern Connectivity, LLC	✔	✘
	AS208393	Dedcloud Network Ltd	✔	✘

aut-num:        AS12488
as-name:        KRYSTAL
org:            ORG-KSL2-RIPE
import:         from AS24958 accept ANY
export:         to AS24958 announce AS12488
import:         from AS60800 accept ANY
export:         to AS60800 announce AS12488
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
abuse-c:        KRYS5-RIPE
status:         ASSIGNED
notify:         simon@krystal.uk
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         KRYSTAL-MNT
created:        2007-04-10T08:34:13Z
last-modified:  2021-02-05T10:17:47Z
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-KSL2-RIPE
org-name:       Krystal Hosting Ltd
country:        GB
org-type:       LIR
address:        Dummy address for ORG-KSL2-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        KRYS5-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        KRYSTAL-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         KRYSTAL-MNT
created:        2007-01-09T06:11:04Z
last-modified:  2026-05-13T07:22:19Z
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: 2026-06-05T03:26:10Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
APNIC	as-voxility-set	21741
RIPE	as-voxility-set	21741
ARIN	as-imdc	127
RIPE	as-krystal	14
RIPE	as-websat	1
RADB	as-ctbc-tools-11	344
RADB	as12025:as-customers	153
RIPE	as-transroute-spec	19620
RIPE	as-dedcloud-upstreams	397
RIPE	as-manda-linx-peers-v6	424
RADB	as-hurricanev6	21128
RIPE	as-netwise	20
RADB	as7545:as-tpgn-customers	2318
RADB	as-hurricane	24913
RIPE	as-tbsh-all	11
RADB	as-voxility-set	21741
RIPE	as-manda-linx-peers-v4	406
RADB	as20473:as-vultr	1766