Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
| ASN | 31246 |
| Name | NETBOX-AS |
| Organization | O2 Czech Republic, a.s. |
| Country | Czechia
|
| Registry | RIPE NCC |
| IPv4 addresses | 66,560 |
| IPv6 /64 networks | 1.25 x 235 |
| Prefixes | 7 |
Other ASN allocated to O2 Czech Republic, a.s.
| ASN |
Name |
IP addresses |
| 5610 |
O2-CZECH-REPUBLIC |
2,328,320 |
| 42908 |
CZ-NORDICTELECOMREGIONAL |
183,296 |
| 16246 |
AS16246 |
133,120 |
| 12570 |
ITSELF |
53,760 |
| 41046 |
NEJTV-AS |
53,248 |
| 29321 |
CentroNetAS |
15,360 |
| 49767 |
INTERNETPB-AS |
5,120 |
| 44070 |
MCnet-AS |
4,096 |
| 47681 |
RIOMEDIA |
1,024 |
| 41824 |
IH-LOSAN-NET |
0 |
| 20884 |
CZ-CTNET-AS |
0 |
| 25036 |
TERMSNET-AS |
0 |
| 35214 |
CZ-NORDICTELECOMREGIONAL |
0 |
| 61169 |
SPORKNET |
0 |
| 202522 |
CZ-NORDICTELECOMREGIONAL |
0 |
IPv4 Prefixes for AS31246
IPv6 Prefixes for AS31246
| Network |
Location |
/64 Prefixes |
| 2001:4cc8::/31 |
O2 Czech Republic, a.s. |
Rozdrojovice (Brno-Bystrc) |
233 |
| 2a0a:cac0::/29 |
O2 Czech Republic, a.s. |
Opava (Předměstí) |
235 |