156.229.121.0/24

AS21859 · Zenlayer Inc

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Summary

Country	United States
Domain	lightyear.ai
ASN	AS21859
Parent Range	156.229.0.0/16
Registry	AFRINIC
ID	LIGHTYEAR

WHOIS Details

inetnum:        156.229.121.0 - 156.229.121.255
netname:        Lightyear
descr:          Lightyear
country:        US
admin-c:        CIS1-AFRINIC
tech-c:         CIS1-AFRINIC
status:         ASSIGNED PA
mnt-by:         CIL1-MNT
mnt-by:         LARUS-SERVICE-MNT
changed:        tech@cloudinnovation.org 20250917
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:          156.229.121.0/24
origin:         AS57043
descr:          75856 5220 RT0001
mnt-by:         LARUS-SERVICE-MNT
changed:        k.thomas@larus.net 20250407
source:         AFRINIC

Overlapping Ranges

BGP prefixes that contain 156.229.121.0/24

Range	ASN	Company	Num of IPs
156.229.0.0/16	AS35916	African Network Information Center	65,536
156.229.0.0/16	AS54600	African Network Information Center	65,536

Nearby Ranges

BGP prefixes that overlap with 156.229.0.0/16

Range	ASN	Company	Num of IPs
156.229.0.0/16	AS54600	African Network Information Center	65,536
156.229.0.0/16	AS35916	African Network Information Center	65,536
156.229.35.0/24	AS132471	MTN Afghanistan	256
156.229.36.0/24	AS132471	MTN Afghanistan	256
156.229.37.0/24	AS132471	MTN Afghanistan	256
156.229.38.0/24	AS132471	MTN Afghanistan	256
156.229.39.0/24	AS132471	MTN Afghanistan	256
156.229.126.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.127.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.16.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.17.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.18.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.19.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.20.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.21.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.22.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.224.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.225.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.226.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.227.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.23.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.236.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITEDIMITED	256
156.229.24.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.247.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITEDIMITED	256
156.229.25.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.28.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	256
156.229.50.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITEDIMITED	256
156.229.54.0/24	AS135377	UCLOUD INFORMATION TECHNOLOGY HK LIMITEDIMITED	256
156.229.64.0/24	AS138915	Kaopu Cloud HK Limited	256
156.229.27.0/24	AS19318	Yinli E-commerce Studio in Jingkai District	256
156.229.48.0/24	AS20326	CloudNova Tech Studio	256
156.229.60.0/24	AS20326	CloudNova Tech Studio	256
156.229.118.0/24	AS204160	BeeFiber	256
156.229.62.0/24	AS213642	CORETECH BILISIM MIZMETLERI SANAYI TICARET LIMITED	256
156.229.0.0/24	AS214025	J AND K SMART SOLUTION LIMITED	256
156.229.120.0/24	AS21859	Lightyear	256
156.229.4.0/24	AS22773	Cox Communications Inc.	256
156.229.5.0/24	AS22773	Cox Communications Inc.	256
156.229.52.0/24	AS22773	Cox Communications Inc	256
156.229.53.0/24	AS22773	Cox Communications Inc	256
156.229.55.0/24	AS22773	Cox Communications Inc	256
156.229.6.0/24	AS22773	Cox Communications Inc.	256
156.229.61.0/24	AS22773	Cox Communications Inc	256
156.229.63.0/24	AS22773	Cox Communications Inc	256
156.229.7.0/24	AS22773	Cox Communications Inc.	256
156.229.26.0/24	AS2914	NeoFiber Communications inc.	256
156.229.100.0/24	AS328608	Africa on cloud	256
156.229.101.0/24	AS328608	Africa on cloud	256
156.229.102.0/24	AS328608	Africa on cloud	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
156.229.121.255	AS21859 Zenlayer Inc	`0.25ms` from Los Angeles, US

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
110.20.234.56	AS4804 Microplex PTY LTD	`5.20ms` from Brisbane, AU
71.70.17.232	AS11426 Charter Communications Inc	`9.21ms` from Charlotte, US
143.105.4.248	AS14593 Space Exploration Technologies Corporation	`14.80ms` from Chicago, US
84.171.240.200	AS3320 Deutsche Telekom AG	`9.04ms` from Frankfurt am Main, DE
95.114.147.184	AS6805 Telefonica Germany GmbH & Co.OHG	`9.05ms` from Frankfurt am Main, DE
85.102.25.8	AS9121 Turk Telekomunikasyon Anonim Sirketi	`14.06ms` from Istanbul, TR
82.6.193.104	AS5089 Virgin Media Limited	`9.50ms` from London, GB
34.102.95.104	AS396982 Google LLC	`0.11ms` from Los Angeles, US
173.18.142.72	AS30036 Mediacom Communications Corp	`18.69ms` from Minneapolis, US
108.59.111.72	AS40328 AcenTek	`6.62ms` from Minneapolis, US
41.139.152.168	AS37061 Safaricom Limited	`1.96ms` from Mombasa, KE
34.75.15.56	AS396982 Google LLC	`0.13ms` from Moncks Corner, US
92.49.153.136	AS12389 PJSC Rostelecom	`14.70ms` from Samara, RU
121.170.78.216	AS4766 Korea Telecom	`1.85ms` from Seoul, KR
178.78.227.72	AS33885 Telenor Sverige AB	`0.74ms` from Stockholm, SE
118.72.17.8	AS4837 CHINA UNICOM China169 Backbone	`7.92ms` from Taiyuan, CN
8.216.42.184	AS45102 Alibaba (US) Technology Co., Ltd.	`1.23ms` from Tokyo, JP
78.21.20.216	AS6848 Telenet BV	`5.10ms` from Brussels, BE
209.199.18.24	AS8075 Microsoft Corporation	`0.56ms` from Chicago, US
145.46.169.200	AS16509 Amazon.com, Inc.	`0.18ms` from Columbus, US
80.68.119.248	AS44769 Bosnet Aktiebolag	`4.18ms` from Goeteborg, SE
154.214.72.40	AS139880 OWGELS INTERNATIONAL CO., LIMITED	`1.02ms` from Hong Kong, HK
147.46.74.88	AS9488 Seoul National University	`1.07ms` from Incheon, KR
151.48.152.184	AS1267 WIND TRE S.P.A.	`1.81ms` from Milan, IT
146.190.74.120	AS14061 DigitalOcean, LLC	`0.23ms` from New York City, US

Traceroute

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

traceroute -a -n -q1 -f2 156.229.121.93

traceroute to 156.229.121.93 (156.229.121.93): 64 hops max, 52 byte packets

2 [] 206.72.210.119 0.477 ms

3 *

4 [] 104.254.115.28 35.395 ms

5 [AS21859] 192.254.84.15 82.141 ms

6 [AS21859] 156.229.121.93 0.769 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On January 19th 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.

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