101.138.128.0/21

AS131591 · Ambit Microsystem Corporation

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	Taiwan
Domain	apol.com.tw
ASN	AS131591
Parent Range	101.136.0.0/14
Registry	APNIC
ID	APOL-NET

WHOIS Details

inetnum:        101.136.0.0 - 101.139.255.255
netname:        APOL-NET
descr:          Asia Pacific On-Line Service Inc.
descr:          3F, No.19-6, Sanchong Rd, Nankang Dist.
descr:          Taipei Taiwan 115
country:        TW
admin-c:        AA91-AP
tech-c:         AA91-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-TW-TWNIC
mnt-lower:      MAINT-TW-TWNIC
mnt-irt:        IRT-FET-TW
last-modified:  2025-11-07T01:24:42Z
source:         APNIC

irt:            IRT-FET-TW
address:        Far EasTone Telecommunication Co., Ltd.
address:        334 Sze Chuan Road, Sec. 1
address:        Panchiao , Taipei Hsien Taiwan 220
e-mail:         davidlin1@fareastone.com.tw
abuse-mailbox:  davidlin1@fareastone.com.tw
admin-c:        TT151-AP
tech-c:         RH6-AP
auth:           # Filtered
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:18:22Z
source:         APNIC

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox:  hostmaster@twnic.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

person:         Admin APOL
nic-hdl:        AA91-AP
e-mail:         adm@apol.com.tw
address:        No19-5,Sanchong Rd.,Nankang Dist.
address:        Taipei, 115, R.O.C
phone:          +886-2-5581-3300 ext. 5716
fax-no:         +886-2-2655-1515
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2015-11-02T09:06:02Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 101.138.128.0/21

Range	ASN	Company	Num of IPs
101.136.0.0/14	AS131591	Asia Pacific On-Line Service Inc.	262,144
101.136.0.0/14	AS17709	Asia Pacific On-Line Service Inc.	262,144

Nearby Ranges

BGP prefixes that overlap with 101.138.0.0/16

Range	ASN	Company	Num of IPs
101.136.0.0/14	AS131591	Asia Pacific On-Line Service Inc.	262,144
101.136.0.0/14	AS17709	Asia Pacific On-Line Service Inc.	262,144

Hosted domains

There are no domains currently hosted on this ASN.

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
163.194.60.21	AS395610 Nexstar Broadcasting Inc.	`17.89ms` from Ashburn, US
185.239.107.117	AS202468 AbrArvan CDN and IaaS	`15.34ms` from Baku, AZ
77.229.164.213	AS12430 VODAFONE ESPANA S.A.U.	`5.77ms` from Barcelona, ES
160.32.54.37	AS30325 South Slope Cooperative Telephone Company	`5.49ms` from Chicago, US
4.208.98.133	AS8075 Microsoft Corporation	`0.16ms` from Dublin, IE
180.104.120.229	AS4134 CHINANET-BACKBONE	`10.27ms` from Huai'an, CN
192.81.201.229	AS393442 United Electric Cooperative	`3.24ms` from Kansas City, US
220.165.18.5	AS4134 CHINANET-BACKBONE	`11.82ms` from Kunming, CN
203.193.165.37	AS7633 Software Technology Parks of India - Bangalore	`4.87ms` from Lohogaon, IN
104.174.46.69	AS20001 Charter Communications Inc	`6.29ms` from Los Angeles, US
79.45.64.5	AS3269 Telecom Italia S.p.A.	`5.22ms` from Milan, IT
84.220.5.229	AS8612 Tiscali Italia S.P.A.	`16.74ms` from Milan, IT
74.14.133.37	AS577 Bell Canada	`4.23ms` from Montreal, CA
47.16.69.181	AS6128 Cablevision Systems Corp.	`7.97ms` from New York City, US
147.189.72.85	AS3215 Orange S.A.	`5.23ms` from Paris, FR
200.45.168.245	AS7303 Telecom Argentina S.A.	`2.83ms` from Rosario, AR
110.12.177.69	AS9318 SK Broadband Co Ltd	`4.42ms` from Seoul, KR
60.152.82.149	AS17676 SoftBank Corp.	`3.96ms` from Tokyo, JP
217.241.216.229	AS3320 Deutsche Telekom AG	`13.00ms` from Zuerich, CH
91.203.98.21	AS39832 Opera Norway AS	`0.31ms` from Amsterdam, NL
205.255.57.21	AS10801 REGIONS FINANCIAL CORPORATION	`0.68ms` from Ashburn, US
173.73.246.101	AS701 Verizon Business	`2.05ms` from Ashburn, US
173.185.90.5	AS7029 Windstream Communications LLC	`6.93ms` from Atlanta, US
72.108.31.197	AS6167 Verizon Business	`10.06ms` from Chicago, US
104.7.220.37	AS7018 AT&T Enterprises, LLC	`6.71ms` from Dallas, US

Traceroute

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

traceroute -a -n -q1 -m5 101.138.134.4

traceroute to 101.138.134.4 (101.138.134.4): 5 hops max, 52 byte packets

1 [AS15169] 66.249.95.114 176.838 ms

2 [AS17709] 203.79.255.97 194.374 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Ashburn, US

On December 14th 2025

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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales