123.99.0.0/16

Where this subnet is, who announces it, and what our databases hold in it. Below, every /24 inside it; open one for its addresses.

123.98.0.0/16 123.100.0.0/16

65,536

routable addresses

65,536

geolocated

countries

announcing ASes

announced prefixes

anonymous addresses

Where it is

Addresses IP Geolocation places in each country, as a share of those it places.

China32,768 · 50.00%
South Korea16,384 · 25.00%
Taiwan16,384 · 25.00%

Who announces it

Each /24 counted for the AS announcing most of it, as a share of the routable addresses.

AS17857SK Broadband Co Ltd16,384 · 25.00%
AS58461CT-HangZhou16,384 · 25.00%
AS133948DONGFONG INC LIMITED256 · 0.39%

What the databases see

Addresses each address-keyed database holds in this block, as a share of its routable addresses. Counts overlap: one address can be in several.

VPN IP23
0.04%
Residential Proxy IP11
0.02%
Datacenter Proxy IP0
None here
Mobile Proxy IP1
0.00%
Public Proxy IP0
None here
Tor IP0
None here
Relay IP0
None here
Hosting IP16,384
25.00%
CDN IP0
None here
Carrier IP0
None here
Satellite IP0
None here
Anycast IP0
None here
SSH IP626
0.96%
SMTP IP3
0.00%
DNS Resolver IP11
0.02%
Web IP48
0.07%
BitTorrent IP52
0.08%

Announced prefixes

Every prefix inside this block that BGP Route saw announced, with its origin and RPKI status.

30 prefixes

PREFIX	ORIGIN	COUNTRY	RPKI	PEERS	FIRST SEEN
123.99.64.0/18	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.66.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.68.0/22	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.72.0/22	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.77.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.78.0/23	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.79.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.82.0/23	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.87.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.88.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.89.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.90.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.91.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.92.0/22	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.97.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.98.0/23	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.100.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.101.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.102.0/23	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.104.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.105.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.106.0/23	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.108.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.110.0/23	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.112.0/22	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.117.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.119.0/24	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.120.0/21	AS17857SK Broadband Co Ltd	South Korea	Not found	18	2026-10-02
123.99.165.0/24	AS133948DONGFONG INC LIMITED	China	Not found	17	2026-10-02
123.99.192.0/18	AS58461CT-HangZhou	China	Valid	17	2026-10-02

Every /24 inside it


123.99.0.0/24	Taiwan	—	0	0	0.00%
123.99.1.0/24	Taiwan	—	0	0	0.00%
123.99.2.0/24	Taiwan	—	0	0	0.00%
123.99.3.0/24	Taiwan	—	0	0	0.00%
123.99.4.0/24	Taiwan	—	0	0	0.00%
123.99.5.0/24	Taiwan	—	0	0	0.00%
123.99.6.0/24	Taiwan	—	0	0	0.00%
123.99.7.0/24	Taiwan	—	0	0	0.00%
123.99.8.0/24	Taiwan	—	0	0	0.00%
123.99.9.0/24	Taiwan	—	0	0	0.00%
123.99.10.0/24	Taiwan	—	0	0	0.00%
123.99.11.0/24	Taiwan	—	0	0	0.00%
123.99.12.0/24	Taiwan	—	0	0	0.00%
123.99.13.0/24	Taiwan	—	0	0	0.00%
123.99.14.0/24	Taiwan	—	0	0	0.00%
123.99.15.0/24	Taiwan	—	0	0	0.00%
123.99.16.0/24	Taiwan	—	0	0	0.00%
123.99.17.0/24	Taiwan	—	0	0	0.00%
123.99.18.0/24	Taiwan	—	0	0	0.00%
123.99.19.0/24	Taiwan	—	0	0	0.00%
123.99.20.0/24	Taiwan	—	0	0	0.00%
123.99.21.0/24	Taiwan	—	0	0	0.00%
123.99.22.0/24	Taiwan	—	0	0	0.00%
123.99.23.0/24	Taiwan	—	0	0	0.00%
123.99.24.0/24	Taiwan	—	0	0	0.00%
123.99.25.0/24	Taiwan	—	0	0	0.00%
123.99.26.0/24	Taiwan	—	0	0	0.00%
123.99.27.0/24	Taiwan	—	0	0	0.00%
123.99.28.0/24	Taiwan	—	0	0	0.00%
123.99.29.0/24	Taiwan	—	0	0	0.00%
123.99.30.0/24	Taiwan	—	0	0	0.00%
123.99.31.0/24	Taiwan	—	0	0	0.00%
123.99.32.0/24	Taiwan	—	0	0	0.00%
123.99.33.0/24	Taiwan	—	0	0	0.00%
123.99.34.0/24	Taiwan	—	0	0	0.00%
123.99.35.0/24	Taiwan	—	0	0	0.00%
123.99.36.0/24	Taiwan	—	0	0	0.00%
123.99.37.0/24	Taiwan	—	0	0	0.00%
123.99.38.0/24	Taiwan	—	0	0	0.00%
123.99.39.0/24	Taiwan	—	0	0	0.00%
123.99.40.0/24	Taiwan	—	0	0	0.00%
123.99.41.0/24	Taiwan	—	0	0	0.00%
123.99.42.0/24	Taiwan	—	0	0	0.00%
123.99.43.0/24	Taiwan	—	0	0	0.00%
123.99.44.0/24	Taiwan	—	0	0	0.00%
123.99.45.0/24	Taiwan	—	0	0	0.00%
123.99.46.0/24	Taiwan	—	0	0	0.00%
123.99.47.0/24	Taiwan	—	0	0	0.00%
123.99.48.0/24	Taiwan	—	0	0	0.00%
123.99.49.0/24	Taiwan	—	0	0	0.00%
123.99.50.0/24	Taiwan	—	0	0	0.00%
123.99.51.0/24	Taiwan	—	0	0	0.00%
123.99.52.0/24	Taiwan	—	0	0	0.00%
123.99.53.0/24	Taiwan	—	0	0	0.00%
123.99.54.0/24	Taiwan	—	0	0	0.00%
123.99.55.0/24	Taiwan	—	0	0	0.00%
123.99.56.0/24	Taiwan	—	0	0	0.00%
123.99.57.0/24	Taiwan	—	0	0	0.00%
123.99.58.0/24	Taiwan	—	0	0	0.00%
123.99.59.0/24	Taiwan	—	0	0	0.00%
123.99.60.0/24	Taiwan	—	0	0	0.00%
123.99.61.0/24	Taiwan	—	0	0	0.00%
123.99.62.0/24	Taiwan	—	0	0	0.00%
123.99.63.0/24	Taiwan	—	0	0	0.00%
123.99.64.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.65.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.66.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.67.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.68.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.69.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.70.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.71.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.72.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.73.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.74.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.75.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.76.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.77.0/24	South Korea	AS17857SK Broadband Co Ltd	2	0	0.78%
123.99.78.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.79.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.80.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.81.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.82.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.83.0/24	South Korea	AS17857SK Broadband Co Ltd	2	0	0.78%
123.99.84.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.85.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.86.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.87.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.88.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.89.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.90.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.91.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.92.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.93.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.94.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.95.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.96.0/24	South Korea	AS17857SK Broadband Co Ltd	2	0	0.78%
123.99.97.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.98.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.99.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.100.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.101.0/24	South Korea	AS17857SK Broadband Co Ltd	4	0	1.56%
123.99.102.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.103.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.104.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.105.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.106.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.107.0/24	South Korea	AS17857SK Broadband Co Ltd	3	0	1.17%
123.99.108.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.109.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.110.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.111.0/24	South Korea	AS17857SK Broadband Co Ltd	3	0	1.17%
123.99.112.0/24	South Korea	AS17857SK Broadband Co Ltd	2	0	0.78%
123.99.113.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.114.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.115.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.116.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.117.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.118.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.119.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.120.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.121.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.122.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.123.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.124.0/24	South Korea	AS17857SK Broadband Co Ltd	1	0	0.39%
123.99.125.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.126.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.127.0/24	South Korea	AS17857SK Broadband Co Ltd	0	0	0.00%
123.99.128.0/24	China	—	0	0	0.00%
123.99.129.0/24	China	—	0	0	0.00%
123.99.130.0/24	China	—	0	0	0.00%
123.99.131.0/24	China	—	0	0	0.00%
123.99.132.0/24	China	—	0	0	0.00%
123.99.133.0/24	China	—	0	0	0.00%
123.99.134.0/24	China	—	0	0	0.00%
123.99.135.0/24	China	—	0	0	0.00%
123.99.136.0/24	China	—	0	0	0.00%
123.99.137.0/24	China	—	0	0	0.00%
123.99.138.0/24	China	—	0	0	0.00%
123.99.139.0/24	China	—	0	0	0.00%
123.99.140.0/24	China	—	0	0	0.00%
123.99.141.0/24	China	—	0	0	0.00%
123.99.142.0/24	China	—	0	0	0.00%
123.99.143.0/24	China	—	0	0	0.00%
123.99.144.0/24	China	—	0	0	0.00%
123.99.145.0/24	China	—	0	0	0.00%
123.99.146.0/24	China	—	0	0	0.00%
123.99.147.0/24	China	—	0	0	0.00%
123.99.148.0/24	China	—	0	0	0.00%
123.99.149.0/24	China	—	0	0	0.00%
123.99.150.0/24	China	—	0	0	0.00%
123.99.151.0/24	China	—	0	0	0.00%
123.99.152.0/24	China	—	0	0	0.00%
123.99.153.0/24	China	—	0	0	0.00%
123.99.154.0/24	China	—	0	0	0.00%
123.99.155.0/24	China	—	0	0	0.00%
123.99.156.0/24	China	—	0	0	0.00%
123.99.157.0/24	China	—	0	0	0.00%
123.99.158.0/24	China	—	0	0	0.00%
123.99.159.0/24	China	—	0	0	0.00%
123.99.160.0/24	China	—	0	0	0.00%
123.99.161.0/24	China	—	0	0	0.00%
123.99.162.0/24	China	—	0	0	0.00%
123.99.163.0/24	China	—	0	0	0.00%
123.99.164.0/24	China	—	0	0	0.00%
123.99.165.0/24	China	AS133948DONGFONG INC LIMITED	1	0	0.39%
123.99.166.0/24	China	—	0	0	0.00%
123.99.167.0/24	China	—	0	0	0.00%
123.99.168.0/24	China	—	0	0	0.00%
123.99.169.0/24	China	—	0	0	0.00%
123.99.170.0/24	China	—	0	0	0.00%
123.99.171.0/24	China	—	0	0	0.00%
123.99.172.0/24	China	—	0	0	0.00%
123.99.173.0/24	China	—	0	0	0.00%
123.99.174.0/24	China	—	0	0	0.00%
123.99.175.0/24	China	—	0	0	0.00%
123.99.176.0/24	China	—	0	0	0.00%
123.99.177.0/24	China	—	0	0	0.00%
123.99.178.0/24	China	—	0	0	0.00%
123.99.179.0/24	China	—	0	0	0.00%
123.99.180.0/24	China	—	0	0	0.00%
123.99.181.0/24	China	—	0	0	0.00%
123.99.182.0/24	China	—	0	0	0.00%
123.99.183.0/24	China	—	0	0	0.00%
123.99.184.0/24	China	—	0	0	0.00%
123.99.185.0/24	China	—	0	0	0.00%
123.99.186.0/24	China	—	0	0	0.00%
123.99.187.0/24	China	—	0	0	0.00%
123.99.188.0/24	China	—	0	0	0.00%
123.99.189.0/24	China	—	0	0	0.00%
123.99.190.0/24	China	—	0	0	0.00%
123.99.191.0/24	China	—	0	0	0.00%
123.99.192.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.193.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.194.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.195.0/24	China	AS58461CT-HangZhou	2	256	100.00%
123.99.196.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.197.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.198.0/24	China	AS58461CT-HangZhou	1	256	100.00%
123.99.199.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.200.0/24	China	AS58461CT-HangZhou	1	256	100.00%
123.99.201.0/24	China	AS58461CT-HangZhou	1	256	100.00%
123.99.202.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.203.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.204.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.205.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.206.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.207.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.208.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.209.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.210.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.211.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.212.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.213.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.214.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.215.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.216.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.217.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.218.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.219.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.220.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.221.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.222.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.223.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.224.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.225.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.226.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.227.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.228.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.229.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.230.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.231.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.232.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.233.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.234.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.235.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.236.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.237.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.238.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.239.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.240.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.241.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.242.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.243.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.244.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.245.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.246.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.247.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.248.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.249.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.250.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.251.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.252.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.253.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.254.0/24	China	AS58461CT-HangZhou	0	256	100.00%
123.99.255.0/24	China	AS58461CT-HangZhou	0	256	100.00%

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