Summary
| ASN | AS30848 UNIDATA S.p.A. |
| BGP | 81.21.16.0/20 |
| IPs with RDNS | 256 |
| Hosted Domains | 0 |
| Pingable IPs | 155 |
| Router IPs | 8 |
| 81.21.28.0 | res-plus13276.ppp.twt.it | 0 |  | |
| 81.21.28.1 | res-128427d.ppp.twt.it | 0 | | |
| 81.21.28.2 | res-134400d.ppp.twt.it | 0 | | |
| 81.21.28.3 | res-kyn29344d.ppp.twt.it | 0 | | |
| 81.21.28.4 | res-lka58717d.ppp.twt.it | 0 | | |
| 81.21.28.5 | res-area12997.ppp.twt.it | 0 | Ping | |
| 81.21.28.6 | res-acd48390d.ppp.twt.it | 0 | | |
| 81.21.28.7 | res-mill47344d.ppp.twt.it | 0 | | |
| 81.21.28.8 | res-ante68080d.ppp.twt.it | 0 | Ping | |
| 81.21.28.9 | res-77834d.ppp.twt.it | 0 | Ping | |
| 81.21.28.10 | res-lar31575d.ppp.twt.it | 0 | | |
| 81.21.28.11 | res-81907d.ppp.twt.it | 0 | Ping | |
| 81.21.28.12 | res-95293d.ppp.twt.it | 0 | | |
| 81.21.28.13 | res-flr28484d.ppp.twt.it | 0 | Ping | |
| 81.21.28.14 | res-vtel12196.ppp.twt.it | 0 | | |
| 81.21.28.15 | res-biesd28106d.ppp.twt.it | 0 | | |
| 81.21.28.16 | res-3ps47119d.ppp.twt.it | 0 | | |
| 81.21.28.17 | res-plt142447d.ppp.twt.it | 0 | Ping | |
| 81.21.28.18 | res-plus76933d.ppp.twt.it | 0 | Ping | |
| 81.21.28.19 | res-127203d.ppp.twt.it | 0 | Ping | |
| 81.21.28.20 | res-res-vtel12943.ppp.twt.it | 0 | | |
| 81.21.28.21 | res-104136d.ppp.twt.it | 0 | | |
| 81.21.28.22 | res-88798d.ppp.twt.it | 0 | | |
| 81.21.28.23 | res-115904d.ppp.twt.it | 0 | Ping | |
| 81.21.28.24 | res-biesd40159d.ppp.twt.it | 0 | Ping | |
| 81.21.28.25 | res-lar77630d.ppp.twt.it | 0 | Ping | |
| 81.21.28.26 | res-astr84876d.ppp.twt.it | 0 | Ping | |
| 81.21.28.27 | res-ante17266.ppp.twt.it | 0 | Ping | |
| 81.21.28.28 | res-gss65260d.ppp.twt.it | 0 | Ping | |
| 81.21.28.29 | res-vtel12883.ppp.twt.it | 0 | Ping |  |
| 81.21.28.30 | res-leod28973d.ppp.twt.it | 0 | Ping | |
| 81.21.28.31 | res-bies19411d.ppp.twt.it | 0 | | |
| 81.21.28.32 | res-fast47418d.ppp.twt.it | 0 | Ping | |
| 81.21.28.33 | res-tgi42564d.ppp.twt.it | 0 | Ping | |
| 81.21.28.34 | res-bies19411v.ppp.twt.it | 0 | Ping | |
| 81.21.28.35 | res-miller36332d.ppp.twt.it | 0 | Ping | |
| 81.21.28.36 | res-91934d.ppp.twt.it | 0 | Ping | |
| 81.21.28.37 | res-biesd28435d.ppp.twt.it | 0 | Ping | |
| 81.21.28.38 | res-nald77814d.ppp.twt.it | 0 | | |
| 81.21.28.39 | res-vtel12922.ppp.twt.it | 0 | | |
| 81.21.28.40 | res-plus97963d.ppp.twt.it | 0 | Ping | |
| 81.21.28.41 | res-vtel12921.ppp.twt.it | 0 | | |
| 81.21.28.42 | res-aton24186d.ppp.twt.it | 0 | Ping | |
| 81.21.28.43 | res-67972d.ppp.twt.it | 0 | | |
| 81.21.28.44 | res-77206d.ppp.twt.it | 0 | Ping | |
| 81.21.28.45 | res-vtel12902.ppp.twt.it | 0 | | |
| 81.21.28.46 | res-aton60496d.ppp.twt.it | 0 | Ping | |
| 81.21.28.47 | res-kntd49889d.ppp.twt.it | 0 | Ping | |
| 81.21.28.48 | res-ante49122d.ppp.twt.it | 0 | Ping | |
| 81.21.28.49 | res-trc77651d.ppp.twt.it | 0 | | |
| 81.21.28.50 | res-cgm12824.ppp.twt.it | 0 | Ping | |
| 81.21.28.51 | res-site13001d.ppp.twt.it | 0 | Ping | |
| 81.21.28.52 | res-inass34851d.ppp.twt.it | 0 | Ping | |
| 81.21.28.53 | res-125629d.ppp.twt.it | 0 | Ping | |
| 81.21.28.54 | res-fon48284d.ppp.twt.it | 0 | | |
| 81.21.28.55 | res-2knt13162d.ppp.twt.it | 0 | Ping | |
| 81.21.28.56 | res-2knt13162v.ppp.twt.it | 0 | Ping | |
| 81.21.28.57 | res-eli13215.ppp.twt.it | 0 | Ping | |
| 81.21.28.58 | res-leod41758d.ppp.twt.it | 0 | Ping | |
| 81.21.28.59 | res-aton65040d.ppp.twt.it | 0 | Ping | |
| 81.21.28.60 | res-eli13302.ppp.twt.it | 0 | Ping | |
| 81.21.28.61 | res-mill13311.ppp.twt.it | 0 | Ping | |
| 81.21.28.62 | res-team102305d.ppp.twt.it | 0 | | |
| 81.21.28.63 | mail2.effegipallets.it | 0 | Ping | |
| 81.21.28.64 | res-fast48733v.ppp.twt.it | 0 | | |
| 81.21.28.65 | res-sma13322v.ppp.twt.it | 0 | | |
| 81.21.28.66 | res-121327d.ppp.twt.it | 0 | Ping | |
| 81.21.28.67 | res-ars134900d.ppp.twt.it | 0 | Ping | |
| 81.21.28.68 | res-102164d.ppp.twt.it | 0 | | |
| 81.21.28.69 | res-77802d.ppp.twt.it | 0 | | |
| 81.21.28.70 | res-mtel24600d.ppp.twt.it | 0 | | |
| 81.21.28.71 | res-adtl13337.ppp.twt.it | 0 | | |
| 81.21.28.72 | res-aton13355.ppp.twt.it | 0 | | |
| 81.21.28.73 | res-aton12864.ppp.twt.it | 0 | | |
| 81.21.28.74 | res-plt84916d.ppp.twt.it | 0 | Ping | |
| 81.21.28.75 | res-leod77359d.ppp.twt.it | 0 | | |
| 81.21.28.76 | res-airi55056d.ppp.twt.it | 0 | Ping | |
| 81.21.28.77 | res-aton56074d.ppp.twt.it | 0 | | |
| 81.21.28.78 | res-vtel12930.ppp.twt.it | 0 | | |
| 81.21.28.79 | res-140126d.ppp.twt.it | 0 | | |
| 81.21.28.80 | res-mit81359d.ppp.twt.it | 0 | | |
| 81.21.28.81 | res-eli20553.ppp.twt.it | 0 | | |
| 81.21.28.82 | res-airi31297d.ppp.twt.it | 0 | | |
| 81.21.28.83 | res-biesd77733d.ppp.twt.it | 0 | | |
| 81.21.28.84 | res-eli67321d.ppp.twt.it | 0 | Ping | |
| 81.21.28.85 | res-igs48993d.ppp.twt.it | 0 | Ping | |
| 81.21.28.86 | res-vtel12211.ppp.twt.it | 0 | Ping | |
| 81.21.28.87 | res-141435d.ppp.twt.it | 0 | Ping | |
| 81.21.28.88 | res-sen77810d.ppp.twt.it | 0 | | |
| 81.21.28.89 | res-edue19871.ppp.twt.it | 0 | Ping | |
| 81.21.28.90 | res-aton13245.ppp.twt.it | 0 | Ping | |
| 81.21.28.91 | res-109042d.ppp.twt.it | 0 | Ping | |
| 81.21.28.92 | res-67177d.ppp.twt.it | 0 | | |
| 81.21.28.93 | res-penta35332d.ppp.twt.it | 0 | Ping | |
| 81.21.28.94 | res-88811d.ppp.twt.it | 0 | Ping | |
| 81.21.28.95 | res-2knt13335d.ppp.twt.it | 0 | Ping | |
| 81.21.28.96 | res-2knt13335v.ppp.twt.it | 0 | Ping | |
| 81.21.28.97 | res-fon78077d.ppp.twt.it | 0 | | |
| 81.21.28.98 | res-aton60484d.ppp.twt.it | 0 | | |
| 81.21.28.99 | res-116614d.ppp.twt.it | 0 | Ping | |
| 81.21.28.100 | res-134956d.ppp.twt.it | 0 | | |
| 81.21.28.101 | res-vtel12906.ppp.twt.it | 0 | | |
| 81.21.28.102 | res-138616d.ppp.twt.it | 0 | | |
| 81.21.28.103 | res-111350d.ppp.twt.it | 0 | Ping | |
| 81.21.28.104 | res-aton13003.ppp.twt.it | 0 | Ping | |
| 81.21.28.105 | res-plus13088.ppp.twt.it | 0 | | |
| 81.21.28.106 | res-96809d.ppp.twt.it | 0 | | |
| 81.21.28.107 | res-plus13094.ppp.twt.it | 0 | Ping | |
| 81.21.28.108 | res-plus13095.ppp.twt.it | 0 | Ping | |
| 81.21.28.109 | res-plt78412d.ppp.twt.it | 0 | Ping | |
| 81.21.28.110 | res-con78139d.ppp.twt.it | 0 | Ping | |
| 81.21.28.111 | res-ante125234d.ppp.twt.it | 0 | Ping | |
| 81.21.28.112 | res-103965d.ppp.twt.it | 0 | Ping | |
| 81.21.28.113 | res-plt78136d.ppp.twt.it | 0 | Ping | |
| 81.21.28.114 | res-plus98768d.ppp.twt.it | 0 | Ping | |
| 81.21.28.115 | res-90141d.ppp.twt.it | 0 | Ping | |
| 81.21.28.116 | res-vtel12946.ppp.twt.it | 0 | | |
| 81.21.28.117 | res-eli86361d.ppp.twt.it | 0 | Ping | |
| 81.21.28.118 | res-125250d.ppp.twt.it | 0 | Ping | |
| 81.21.28.119 | res-125015d.ppp.twt.it | 0 | Ping | |
| 81.21.28.120 | res-mit49190d.ppp.twt.it | 0 | | |
| 81.21.28.121 | res-bies13358d.ppp.twt.it | 0 | Ping | |
| 81.21.28.122 | res-bies13358v.ppp.twt.it | 0 | | |
| 81.21.28.123 | res-kyn13420.ppp.twt.it | 0 | Ping | |
| 81.21.28.124 | res-biesd40004d.ppp.twt.it | 0 | | |
| 81.21.28.125 | res-90099d.ppp.twt.it | 0 | Ping | |
| 81.21.28.126 | res-84659d.ppp.twt.it | 0 | | |
| 81.21.28.127 | res-adtl13320d.ppp.twt.it | 0 | | |
| 81.21.28.128 | res-137518d.ppp.twt.it | 0 | Ping | |
| 81.21.28.129 | res-bies13422.ppp.twt.it | 0 | Ping | |
| 81.21.28.130 | res-aton13078.ppp.twt.it | 0 | Ping | |
| 81.21.28.131 | res-135679d.ppp.twt.it | 0 | | |
| 81.21.28.132 | res-elsy61486d.ppp.twt.it | 0 | | |
| 81.21.28.133 | res-125196d.ppp.twt.it | 0 | | |
| 81.21.28.134 | res-aton58507d.ppp.twt.it | 0 | Ping | |
| 81.21.28.135 | res-biesd82812d.ppp.twt.it | 0 | | |
| 81.21.28.136 | res-paci77583d.ppp.twt.it | 0 | | |
| 81.21.28.137 | res-96811d.ppp.twt.it | 0 | | |
| 81.21.28.138 | res-134926d.ppp.twt.it | 0 | Ping | |
| 81.21.28.139 | res-gss78152d.ppp.twt.it | 0 | Ping | |
| 81.21.28.140 | res-2knt14873v.ppp.twt.it | 0 | | |
| 81.21.28.141 | res-107502d.ppp.twt.it | 0 | Ping | |
| 81.21.28.142 | res-78014d.ppp.twt.it | 0 | | |
| 81.21.28.143 | res-125252d.ppp.twt.it | 0 | | |
| 81.21.28.144 | res-fon44925d.ppp.twt.it | 0 | | |
| 81.21.28.145 | res-85097d.ppp.twt.it | 0 | | |
| 81.21.28.146 | res-tc231255d.ppp.twt.it | 0 | | |
| 81.21.28.147 | res-biesd59829d.ppp.twt.it | 0 | Ping | |
| 81.21.28.148 | res-65539d.ppp.twt.it | 0 | | |
| 81.21.28.149 | res-90106d.ppp.twt.it | 0 | Ping | |
| 81.21.28.150 | res-nald19971.ppp.twt.it | 0 | | |
| 81.21.28.151 | res-synk36325d.ppp.twt.it | 0 | Ping | |
| 81.21.28.152 | res-vtel12887.ppp.twt.it | 0 | Ping | |
| 81.21.28.153 | res-125572d.ppp.twt.it | 0 | Ping | |
| 81.21.28.154 | res-aton42782d.ppp.twt.it | 0 | | |
| 81.21.28.155 | res-hal20841.ppp.twt.it | 0 | Ping | |
| 81.21.28.156 | res-bsn78163d.ppp.twt.it | 0 | Ping | |
| 81.21.28.157 | res-mds28891d.ppp.twt.it | 0 | Ping | |
| 81.21.28.158 | res-2knt13305d.ppp.twt.it | 0 | Ping | |
| 81.21.28.159 | res-2knt13305v.ppp.twt.it | 0 | | |
| 81.21.28.160 | res-adtl13328d.ppp.twt.it | 0 | Ping | |
| 81.21.28.161 | res-adtl13328v.ppp.twt.it | 0 | | |
| 81.21.28.162 | res-bies13421.ppp.twt.it | 0 | Ping | |
| 81.21.28.163 | res-plus98733d.ppp.twt.it | 0 | Ping | |
| 81.21.28.164 | res-134833d.ppp.twt.it | 0 | | |
| 81.21.28.165 | res-aton13443.ppp.twt.it | 0 | Ping | |
| 81.21.28.166 | res-fast57832d.ppp.twt.it | 0 | Ping | |
| 81.21.28.167 | res-77932d.ppp.twt.it | 0 | | |
| 81.21.28.168 | res-adtel6106v.ppp.twt.it | 0 | Ping | |
| 81.21.28.169 | res-134720d.ppp.twt.it | 0 | Ping | |
| 81.21.28.170 | res-84670d.ppp.twt.it | 0 | Ping | |
| 81.21.28.171 | res-99279d.ppp.twt.it | 0 | Ping | |
| 81.21.28.172 | res-cgm12865.ppp.twt.it | 0 | | |
| 81.21.28.173 | res-2knt17694v.ppp.twt.it | 0 | | |
| 81.21.28.174 | res-134724d.ppp.twt.it | 0 | | |
| 81.21.28.175 | res-mtel24597d.ppp.twt.it | 0 | Ping | |
| 81.21.28.176 | res-2knt17953v.ppp.twt.it | 0 | | |
| 81.21.28.177 | res-plus24656d.ppp.twt.it | 0 | Ping | |
| 81.21.28.178 | res-team83662d.ppp.twt.it | 0 | Ping | |
| 81.21.28.179 | res-nuv57884d.ppp.twt.it | 0 | Ping | |
| 81.21.28.180 | res-ante82112d.ppp.twt.it | 0 | | |
| 81.21.28.181 | res-144457d.ppp.twt.it | 0 | Ping | |
| 81.21.28.182 | res-biesd45720d.ppp.twt.it | 0 | Ping | |
| 81.21.28.183 | res-nald32016d.ppp.twt.it | 0 | Ping | |
| 81.21.28.184 | res-ante127505d.ppp.twt.it | 0 | Ping | |
| 81.21.28.185 | res-hps41616d.ppp.twt.it | 0 | Ping | |
| 81.21.28.186 | res-syti42774d.ppp.twt.it | 0 | | |
| 81.21.28.187 | res-134817d.ppp.twt.it | 0 | Ping | |
| 81.21.28.188 | res-leod78131v.ppp.twt.it | 0 | | |
| 81.21.28.189 | res-tlc14031.ppp.twt.it | 0 | Ping | |
| 81.21.28.190 | res-leod78131d.ppp.twt.it | 0 | | |
| 81.21.28.191 | res-145688d.ppp.twt.it | 0 | Ping | |
| 81.21.28.192 | res-aton25529d.ppp.twt.it | 0 | | |
| 81.21.28.193 | res-109385d.ppp.twt.it | 0 | | |
| 81.21.28.194 | res-134882d.ppp.twt.it | 0 | Ping | |
| 81.21.28.195 | res-aton46153d.ppp.twt.it | 0 | Ping | |
| 81.21.28.196 | res-all44057d.ppp.twt.it | 0 | | |
| 81.21.28.197 | res-area52320d.ppp.twt.it | 0 | | |
| 81.21.28.198 | res-aton61718d.ppp.twt.it | 0 | | |
| 81.21.28.199 | res-tlc13461.ppp.twt.it | 0 | | |
| 81.21.28.200 | res-mist13435.ppp.twt.it | 0 | | |
| 81.21.28.201 | res-aton13451.ppp.twt.it | 0 | Ping | |
| 81.21.28.202 | res-nuv31249d.ppp.twt.it | 0 | Ping | |
| 81.21.28.203 | res-biesd49249d.ppp.twt.it | 0 | | |
| 81.21.28.204 | res-kntd41343d.ppp.twt.it | 0 | Ping | |
| 81.21.28.205 | res-aton13448.ppp.twt.it | 0 | Ping | |
| 81.21.28.206 | res-sfera13030.ppp.twt.it | 0 | | |
| 81.21.28.207 | res-aton13449.ppp.twt.it | 0 | Ping | |
| 81.21.28.208 | res-120466d.ppp.twt.it | 0 | Ping | |
| 81.21.28.209 | res-fona13220.ppp.twt.it | 0 | | |
| 81.21.28.210 | res-synk30584d.ppp.twt.it | 0 | | |
| 81.21.28.211 | res-111658d.ppp.twt.it | 0 | Ping | |
| 81.21.28.212 | res-144322d.ppp.twt.it | 0 | | |
| 81.21.28.213 | res-site13375v.ppp.twt.it | 0 | Ping | |
| 81.21.28.214 | res-vox13462.ppp.twt.it | 0 | Ping | |
| 81.21.28.215 | res-102943d.ppp.twt.it | 0 | | |
| 81.21.28.216 | res-syti13480.ppp.twt.it | 0 | Ping | |
| 81.21.28.217 | res-134892d.ppp.twt.it | 0 | | |
| 81.21.28.218 | res-leod42327d.ppp.twt.it | 0 | | |
| 81.21.28.219 | res-aton13021.ppp.twt.it | 0 | | |
| 81.21.28.220 | res-adtl92830d.ppp.twt.it | 0 | Ping | |
| 81.21.28.221 | res-141813d.ppp.twt.it | 0 | | |
| 81.21.28.222 | mail.eisystems.it | 0 | Ping | |
| 81.21.28.223 | res-134892v.ppp.twt.it | 0 | | |
| 81.21.28.224 | res-pho59886d.ppp.twt.it | 0 | | |
| 81.21.28.225 | res-hps60365d.ppp.twt.it | 0 | | |
| 81.21.28.226 | gw.gallarate.broggian.com | 0 | | |
| 81.21.28.227 | res-txnt13202.ppp.twt.it | 0 | Ping | |
| 81.21.28.228 | res-136054d.ppp.twt.it | 0 | | |
| 81.21.28.229 | res-127095d.ppp.twt.it | 0 | Ping | |
| 81.21.28.230 | res-115917d.ppp.twt.it | 0 | Ping | |
| 81.21.28.231 | res-46259d.ppp.twt.it | 0 | | |
| 81.21.28.232 | res-aton59899d.ppp.twt.it | 0 | Ping | |
| 81.21.28.233 | res-mtel31671d.ppp.twt.it | 0 | Ping | |
| 81.21.28.234 | res-anet13511.ppp.twt.it | 0 | | |
| 81.21.28.235 | res-cgm11606.ppp.twt.it | 0 | | |
| 81.21.28.236 | res-area26994d.ppp.twt.it | 0 | Ping | |
| 81.21.28.237 | res-99996d.ppp.twt.it | 0 | | |
| 81.21.28.238 | res-lka77695d.ppp.twt.it | 0 | | |
| 81.21.28.239 | res-eli13317.ppp.twt.it | 0 | | |
| 81.21.28.240 | res-bies13487d.ppp.twt.it | 0 | | |
| 81.21.28.241 | res-bies13487v.ppp.twt.it | 0 | | |
| 81.21.28.242 | res-138362d.ppp.twt.it | 0 | Ping | |
| 81.21.28.243 | res-aton13382.ppp.twt.it | 0 | Ping | |
| 81.21.28.244 | res-bies20507.ppp.twt.it | 0 | | |
| 81.21.28.245 | res-84583d.ppp.twt.it | 0 | Ping | |
| 81.21.28.246 | res-bies13529.ppp.twt.it | 0 | Ping | |
| 81.21.28.247 | res-area56678d.ppp.twt.it | 0 | Ping | |
| 81.21.28.248 | res-nuv54723d.ppp.twt.it | 0 | | |
| 81.21.28.249 | res-leo13218d.ppp.twt.it | 0 | | |
| 81.21.28.250 | res-93063d.ppp.twt.it | 0 | Ping | |
| 81.21.28.251 | res-88629d.ppp.twt.it | 0 | | |
| 81.21.28.252 | arrow.newassistent.it | 0 | Ping | |
| 81.21.28.253 | res-ante77860d.ppp.twt.it | 0 | Ping | |
| 81.21.28.254 | res-111375d.ppp.twt.it | 0 | Ping | |
| 81.21.28.255 | res-plus13338.ppp.twt.it | 0 | Ping | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.Traceroute →
$ traceroute -a -n -q1 -f4 81.21.28.171
traceroute to 81.21.28.171 (81.21.28.171): 64 hops max, 52 byte packets
Measurement taken from 
IPinfo ProbeNet in Milan, IT
IPinfo ProbeNet in Milan, ITOn