81.91.16.0/21
BGP Announced
| AS | CIDR | Description |
|---|---|---|
| AS199163 |
81.91.16.0/24
|
UBL-IS-ASN - DATAGROUP Operations GmbH, DE |
| AS199163 |
81.91.16.0/21
|
UBL-IS-ASN - DATAGROUP Operations GmbH, DE |
Real Time BGP Data
| AS / Info | Prefix | AS Path |
|---|---|---|
| Real-time BGP data for 81.91.16.0/21 is loaded by JavaScript after the page renders and is not part of this page's HTML. | ||
Reverse DNS List (Total:19)
| IP | Host | DateTime |
|---|---|---|
| 81.91.16.1 | ublgs1.ip.ubl-is.de | 2026-09-20 04:47:36 |
| 81.91.16.2 | ublgs2.ip.ubl-is.de | 2026-09-20 04:47:36 |
| 81.91.16.8 | dns1.ubl-is.de | 2026-09-20 04:47:36 |
| 81.91.16.9 | dns2.ubl-is.de | 2026-09-20 04:47:36 |
| 81.91.17.25 | mail.nothnagel-gruppe.de | 2026-09-20 04:47:36 |
| 81.91.17.34 | mail.ubl-is.de | 2026-09-20 04:47:36 |
| 81.91.17.36 | mail.datagroup-frankfurt.cloud | 2026-09-20 04:47:36 |
| 81.91.17.42 | api.ubl-is.de | 2026-09-20 04:47:36 |
| 81.91.19.23 | mail.cleff.de | 2026-09-20 04:47:54 |
| 81.91.20.43 | mail1.schrag.eu | 2026-09-20 04:47:54 |
| 81.91.20.94 | mail.ubl.team | 2026-09-20 04:47:54 |
| 81.91.20.173 | mailgw.maxim-gruppe.de | 2026-09-20 04:47:54 |
| 81.91.21.100 | mta1.d-business.de | 2026-09-20 04:47:54 |
| 81.91.21.103 | emailarchive.d-business.de | 2026-09-20 04:47:54 |
| 81.91.21.252 | mail.taz-ffm.de | 2026-09-20 04:47:54 |
| 81.91.23.25 | mail.ubl.cloud | 2026-09-20 04:47:54 |
| 81.91.23.219 | mailgate.cleff.de | 2026-09-20 04:47:54 |
| 81.91.23.225 | www.mail-encrypt.de | 2026-09-20 04:47:54 |
| 81.91.23.249 | mail.ubl-hosting.de | 2026-09-20 04:47:54 |
Top 20 / total ASN
| Country / Region | Allocated ASNs | ASN IPv4 Number | ASN IPv6 Number(/64) |
|---|---|---|---|
United States
|
32219 | 1497299200 | 975910303763789 |
Brazil
|
9157 | 77606656 | 31373490721038 |
China
|
6582 | 356442368 | 148181518405677 |
India
|
6264 | 35222528 | 24757297422338 |
Russian Federation
|
5752 | 47281664 | 11487351490128 |
Indonesia
|
3995 | 11931904 | 1335890477063 |
Germany
|
3253 | 114097664 | 72219796635914 |
United Kingdom
|
3148 | 71173888 | 33263329673219 |
Australia
|
3042 | 40737792 | 20616764002310 |
Canada
|
2518 | 54993920 | 4262402850822 |
Poland
|
2465 | 19310592 | 14416672134154 |
France
|
2174 | 74868480 | 12994736816131 |
Ukraine
|
2014 | 8336384 | 5178559168512 |
Bangladesh
|
2002 | 2099968 | 1166247198721 |
Netherlands
|
1619 | 51557120 | 19177824780814 |
Hong Kong
|
1363 | 20882176 | 5802796253456 |
Argentina
|
1349 | 18638848 | 19658027630592 |
Italy
|
1317 | 52913664 | 29680064266240 |
Japan
|
1277 | 161360384 | 33661432037381 |
Republic of Korea
|
1177 | 112819456 | 17726344724493 |