156.254.21.0/24

AS153706 · Stack Network Sdn. Bhd.

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Summary

Country	Hong Kong
Domain	larus.net
ASN	AS153706
Registry	AFRINIC
ID	FASTMOS_CO_LIMITED

WHOIS Details

inetnum:        156.254.21.0 - 156.254.21.255
netname:        Fastmos_Co_Limited
descr:          Fastmos Co Limited
country:        HK
admin-c:        CIS1-AFRINIC
tech-c:         CIS1-AFRINIC
status:         ASSIGNED PA
mnt-by:         CIL1-MNT
mnt-by:         LARUS-SERVICE-MNT
changed:        tech@cloudinnovation.org 20250610
source:         AFRINIC

person:         Cloud Innovation Support
address:        Ebene
address:        MU
address:        Mahe
address:        Seychelles
phone:          tel:+248-4-610-795
e-mail:         tech@cloudinnovation.org
nic-hdl:        CIS1-AFRINIC
abuse-mailbox:  abuse@cloudinnovation.org
mnt-by:         CIL1-MNT
changed:        tech@cloudinnovation.org 20160215
source:         AFRINIC

route:          156.254.20.0/23
origin:         AS138195
descr:          Fastmos Co Limited
mnt-by:         LARUS-SERVICE-MNT
changed:        k.thomas@larus.net 20250326
source:         AFRINIC

route:          156.254.20.0/23
origin:         AS58931
descr:          Fastmos Co Limited
mnt-by:         LARUS-SERVICE-MNT
changed:        k.thomas@larus.net 20250326
source:         AFRINIC

Nearby Ranges

BGP prefixes that overlap with 156.254.0.0/16

Range	ASN	Company	Num of IPs
156.254.4.0/24	AS135391	Fastmos Co Limited	256
156.254.41.0/24	AS139880	Cloud Innovation Ltd	256
156.254.55.0/24	AS139880	Cloud Innovation Ltd	256
156.254.65.0/24	AS139880	Cloud Innovation Ltd	256
156.254.78.0/24	AS139880	Cloud Innovation Ltd	256
156.254.5.0/24	AS139923	Fastmos Co Limited	256
156.254.120.0/24	AS141167	AgotoZ HK Limited	256
156.254.121.0/24	AS141167	AgotoZ HK Limited	256
156.254.122.0/24	AS141167	AgotoZ HK Limited	256
156.254.123.0/24	AS141167	AgotoZ HK Limited	256
156.254.124.0/24	AS141167	AgotoZ HK Limited	256
156.254.125.0/24	AS141167	AgotoZ HK Limited	256
156.254.134.0/24	AS142286	AresIDC Limited	256
156.254.143.0/24	AS142286	AresIDC Limited	256
156.254.158.0/24	AS142286	AresIDC Limited	256
156.254.160.0/24	AS142286	AresIDC Limited	256
156.254.184.0/24	AS142286	AresIDC Limited	256
156.254.188.0/24	AS142286	AresIDC Limited	256
156.254.204.0/24	AS142286	AresIDC Limited	256
156.254.236.0/24	AS142286	AresIDC Limited	256
156.254.20.0/24	AS214432	Fastmos Co Limited	256
156.254.0.0/24	AS400619	Fastmos Co Limited	256
156.254.1.0/24	AS400619	Fastmos Co Limited	256
156.254.16.0/24	AS400619	Fastmos Co Limited	256
156.254.17.0/24	AS400619	Fastmos Co Limited	256
156.254.18.0/24	AS400619	Fastmos Co Limited	256
156.254.19.0/24	AS400619	Fastmos Co Limited	256
156.254.2.0/24	AS400619	Fastmos Co Limited	256
156.254.22.0/24	AS400619	Fastmos Co Limited	256
156.254.23.0/24	AS400619	Fastmos Co Limited	256
156.254.3.0/24	AS400619	Fastmos Co Limited	256
156.254.116.0/24	AS401783	SKYDIGITAL TELECOM LTD	256
156.254.117.0/24	AS401783	TOKALA COMMUNICATIONS INC.	256
156.254.100.0/24	AS48031	IT_BLSYNC	256
156.254.101.0/24	AS48031	IT_BLSYNC	256
156.254.102.0/24	AS48031	IT_BLSYNC	256
156.254.103.0/24	AS48031	IT_BLSYNC	256
156.254.104.0/24	AS48031	IT_BLSYNC	256
156.254.105.0/24	AS48031	IT_BLSYNC	256
156.254.106.0/24	AS48031	IT_BLSYNC	256
156.254.107.0/24	AS48031	IT_BLSYNC	256
156.254.108.0/24	AS48031	IT_BLSYNC	256
156.254.109.0/24	AS48031	IT_BLSYNC	256
156.254.110.0/24	AS48031	IT_BLSYNC	256
156.254.111.0/24	AS48031	IT_BLSYNC	256
156.254.96.0/24	AS48031	IT_BLSYNC	256
156.254.97.0/24	AS48031	IT_BLSYNC	256
156.254.98.0/24	AS48031	IT_BLSYNC	256
156.254.99.0/24	AS48031	IT_BLSYNC	256

Hosted domains

There are 1,940 domain names hosted across 97 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
156.254.21.154	26vnk.ru	189
156.254.21.158	39671.my	176
156.254.21.155	698788.cc	159
156.254.21.21	j1845.cc	113
156.254.21.53	m321.top	102
156.254.21.17	s1300.cc	96
156.254.21.19	526373.com	92
156.254.21.56	595668.cc	86
156.254.21.74	lrxel.town	47
156.254.21.75	2q6vg.net	47
156.254.21.76	864903.com	46
156.254.21.83	6remomt.net	43
156.254.21.84	xuudpel.net	38
156.254.21.238	zvhfcsy738.vip	27
156.254.21.240	fweqzkp1098.vip	25
156.254.21.239	czwdmwm648.vip	24
156.254.21.235	hakgbbe774.vip	24
156.254.21.103	ucc4.top	23
156.254.21.142	cmcbe.sbs	23
156.254.21.243	swpashp756.vip	22

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

197 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
156.254.21.1	AS153706 Stack Network Sdn. Bhd.	`0.57ms` from Hong Kong, HK

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
172.201.208.104	AS8075 Microsoft Corporation	`0.30ms` from Amsterdam, NL
166.117.123.184	AS16509 Amazon.com, Inc.	`0.04ms` from Bangkok, TH
52.16.52.120	AS16509 Amazon.com, Inc.	`0.15ms` from Dublin, IE
209.240.40.216	AS32020 Transact Ltd.	`0.59ms` from Hamilton, BM
124.29.241.216	AS15347 IBEX Global Solutions	`6.13ms` from Lahore, PK
51.7.236.56	AS6871 Plusnet	`7.83ms` from London, GB
151.40.24.40	AS1267 WIND TRE S.P.A.	`9.01ms` from Milan, IT
68.200.153.184	AS33363 Charter Communications, Inc	`4.92ms` from Orlando, US
182.170.245.88	AS2527 Sony Network Communications Inc.	`1.17ms` from Osaka, JP
187.236.5.72	AS8151 UNINET	`4.06ms` from Santiago de Queretaro, MX
200.98.162.40	AS7162 Universo Online S.A.	`1.40ms` from São Paulo, BR
197.204.24.200	AS36947 Telecom Algeria	`19.48ms` from Algiers, DZ
174.107.114.120	AS11426 Charter Communications Inc	`11.10ms` from Atlanta, US
67.197.51.120	AS14615 Comporium, Inc	`8.43ms` from Charlotte, US
2.17.190.56	AS16625 Akamai Technologies, Inc.	`0.28ms` from Frankfurt am Main, DE
141.12.208.104	AS28714 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.	`0.93ms` from Frankfurt am Main, DE
143.89.244.184	AS3363 Hong Kong University of Science and Technology	`2.01ms` from Hong Kong, HK
211.32.29.88	AS3786 LG DACOM Corporation	`1.49ms` from Incheon, KR
76.166.155.168	AS20001 Charter Communications Inc	`7.11ms` from Los Angeles, US
179.93.120.8	AS26599 TELEFÔNICA BRASIL S.A	`1.86ms` from Osasco, BR
118.190.15.72	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.17ms` from Qingdao, CN
4.147.252.72	AS8075 Microsoft Corporation	`0.67ms` from Sydney, AU
139.208.127.216	AS4837 CHINA UNICOM China169 Backbone	`6.57ms` from Changchun, CN
117.220.58.200	AS9829 National Internet Backbone	`8.33ms` from Delhi, IN
81.208.161.40	AS31898 Oracle Corporation	`0.15ms` from Jeddah, SA

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f4 156.254.21.221

traceroute to 156.254.21.221 (156.254.21.221): 64 hops max, 52 byte packets

4 [AS17476] 202.36.161.98 197.471 ms

5 [AS17476] 202.36.161.203 196.212 ms

6 *

7 [AS153706] 156.254.21.221 192.577 ms

Measurement taken from

IPinfo ProbeNet in Paris, FR

On February 7th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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