1. All IP Ranges
  2. 77.0.0.0/8
  3. 77.243.0.0/16
  4. AS44143  | 77.243.16.0/21

77.243.16.0/21

AS44143  ·  A1 Srbija d.o.o

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Summary

Country Serbia
Domain a1.rs
ASN AS44143
Parent Range 77.243.16.0/20
Registry RIPE
ID A1_SERBIA

WHOIS Details

inetnum:        77.243.16.0 - 77.243.23.255
netname:        A1_Serbia
descr:          A1 Serbia public IP addresses
country:        RS
admin-c:        IP4668-RIPE
tech-c:         IP4668-RIPE
status:         ASSIGNED PA
mnt-by:         ROUTE-SRB
mnt-domains:    ROUTE-SRB
created:        2007-11-21T18:13:23Z
last-modified:  2023-05-28T19:48:28Z
source:         RIPE
remarks:        INFRA-AW
abuse-email:    zloupotreba@a1.rs
abuse-c:        VMA21-RIPE
abuse-org:      ORG-Td12-RIPE

role:           A1 Serbia IP Admins
address:        A1 Serbia doo
address:        Milutina Milankovica 1z
address:        11070 Beograd
e-mail:         ip.network.planning@a1.rs
phone:          +381602254141
admin-c:        NJ1795-RIPE
nic-hdl:        IP4668-RIPE
mnt-by:         ROUTE-SRB
created:        2022-10-13T08:44:34Z
last-modified:  2025-07-10T07:53:32Z
source:         RIPE

route:          77.243.16.0/21
descr:          A1 Serbia pool
origin:         AS44143
mnt-by:         ROUTE-SRB
created:        2010-11-11T08:30:26Z
last-modified:  2021-05-06T12:30:20Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 77.243.16.0/21

Range ASN Company Num of IPs
77.243.16.0/20 AS44143 A1 Srbija d.o.o 4,096

Nearby Ranges

BGP prefixes that overlap with 77.243.0.0/16

Range ASN Company Num of IPs
77.243.208.0/20 AS12301 GERANT Kereskedelmi es Szolgaltato Kft 4,096
77.243.128.0/20 AS48854 team.blue Denmark A/S 4,096
77.243.224.0/20 AS25459 Eurofiber Cloud Infra B.V. 4,096
77.243.96.0/20 AS34602 MEGASVYAZ LLC 4,096
77.243.32.0/20 AS42525 GlobalConnect A/S 4,096
77.243.176.0/20 AS9009 M247 Ltd 4,096
77.243.48.0/20 AS42697 Netic A/S 4,096
77.243.16.0/20 AS44143 A1 Srbija d.o.o 4,096
77.243.160.0/20 AS20969 Red Bee Media B.V. 4,096
77.243.152.0/22 AS197784 Gibon Ljungby AB 1,024
77.243.144.0/22 AS3301 Bredbandskunder 1,024
77.243.148.0/22 AS3301 Bredbandskunder 1,024
77.243.24.0/22 AS44143 A1_Serbia public IP addresses 1,024
77.243.28.0/22 AS44143 A1_Serbia public pool 1,024
77.243.124.0/23 AS5547 Orient-Telecom ISP network 512
77.243.80.0/23 AS48716 PS Internet Company LLP 512
77.243.189.0/24 AS9009 M247 LTD Amsterdam Infrastructure 256
77.243.190.0/24 AS9009 M247 - Manchester Colocation Services 256
77.243.191.0/24 AS9009 M247 LTD Brussels Infrastructure 256
77.243.84.0/24 AS136787 Packethub S.A. 256
77.243.126.0/24 AS207228 Raketa Net ISP network 256
77.243.86.0/24 AS212238 Packethub S.A. 256
77.243.87.0/24 AS212238 Packethub S.A. 256
77.243.83.0/24 AS43991 Voronezh Telecom LLC 256
77.243.85.0/24 AS47583 Hostinger International Limited 256
77.243.127.0/24 AS5547 Irkutsk Regional ISP network 256
77.243.88.0/24 AS59651 FINE GROUP SERVERS SOLUTIONS LLC 256
77.243.89.0/24 AS59651 FINE GROUP SERVERS SOLUTIONS LLC 256
77.243.90.0/24 AS59651 FINE GROUP SERVERS SOLUTIONS LLC 256
77.243.91.0/24 AS59651 FINE GROUP SERVERS SOLUTIONS LLC 256
77.243.176.0/24 AS9009 International IP Backbone Point-to-Point Addressing 256
77.243.181.0/24 AS9009 M247 LTD Frankfurt Infrastructure 256
77.243.183.0/24 AS9009 M247 LTD Frankfurt Infrastructure 256
77.243.187.0/24 AS9009 M247 LTD Manchester Infrastructure 256
77.243.188.0/24 AS9009 M247 Ltd Business Internet Services 256

Hosted domains

There are 42 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
77.243.16.127 a1.rs 20
77.243.17.76 fonly.online 20
77.243.21.168 plavazonatramvaji.rs 1
77.243.16.108 topnet.rs 1

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

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

IP Address ASN Details
77.243.20.34 AS44143 A1 Srbija d.o.o 22.61ms from Zagreb, HR
77.243.17.140 AS44143 A1 Srbija d.o.o 7.91ms from Zagreb, HR
77.243.21.250 AS44143 A1 Srbija d.o.o 8.18ms from Zagreb, HR
77.243.16.166 AS44143 A1 Srbija d.o.o 2.74ms from Belgrade, RS
77.243.18.171 AS44143 A1 Srbija d.o.o 7.91ms from Zagreb, HR

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
111.194.39.53 AS4808 China Unicom Beijing Province Network 3.90ms from Beijing, CN
44.232.129.117 AS16509 Amazon.com, Inc. 0.13ms from Boardman, US
207.10.101.69 AS7029 Windstream Communications LLC 10.51ms from Chicago, US
217.161.69.165 AS1273 Vodafone Group PLC 0.48ms from Dublin, IE
113.170.189.85 AS45899 VNPT Corp 2.39ms from Ho Chi Minh City, VN
80.102.90.5 AS12479 Orange Espagne SA 1.73ms from Madrid, ES
84.220.159.229 AS8612 Tiscali Italia S.P.A. 15.58ms from Milan, IT
61.164.66.21 AS4134 CHINANET-BACKBONE 1.10ms from Ningbo, CN
37.21.241.53 AS12389 PJSC Rostelecom 5.54ms from Novosibirsk, RU
81.252.21.53 AS3215 Orange S.A. 4.21ms from Paris, FR
112.225.82.213 AS4837 CHINA UNICOM China169 Backbone 1.92ms from Qingdao, CN
73.127.59.53 AS7922 Comcast Cable Communications, LLC 5.54ms from Salt Lake City, US
140.188.210.229 AS54600 PEG TECH INC 0.67ms from San Jose, US
101.36.105.5 AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED 0.85ms from Tokyo, JP
150.246.237.69 AS2527 Sony Network Communications Inc. 9.69ms from Tokyo, JP
190.229.219.149 AS7303 Telecom Argentina S.A. 4.89ms from Asuncion, PY
103.24.230.5 AS4837 CHINA UNICOM China169 Backbone 5.38ms from Beijing, CN
79.210.165.133 AS3320 Deutsche Telekom AG 3.72ms from Berlin, DE
61.187.232.197 AS4134 CHINANET-BACKBONE 3.11ms from Changsha, CN
173.93.124.37 AS11426 Charter Communications Inc 18.50ms from Charlotte, US
221.178.58.5 AS9808 China Mobile Communications Group Co., Ltd. 2.13ms from Chongqing, CN
216.163.15.133 AS23404 Ritter Communications 9.10ms from Dallas, US
97.130.255.85 AS6167 Verizon Business 13.53ms from Los Angeles, US
92.19.23.53 AS13285 TalkTalk Communications Limited 1.22ms from Manchester, GB
45.160.252.5 AS268445 BARRETO E CANTOIA PROVEDOR DE INTERNET LTDA 2.27ms from Sao Jose do Rio Preto, BR

Traceroute

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

$
traceroute -a -n -q1 -f2 77.243.17.17
traceroute to 77.243.17.17 (77.243.17.17): 64 hops max, 52 byte packets
2 [] 185.151.134.164 1.636 ms
3 *
4 *
5 [AS44143] 37.19.106.40 12.157 ms
6 *
7 [AS44143] 77.243.17.17 8.386 ms
Measurement taken from IPinfo ProbeNet in Zagreb, HR
On

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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