Summary
| ASN | AS26101 Yahoo Holdings Inc. |
| BGP | 72.30.0.0/19 |
| IPs with RDNS | 256 |
| Hosted Domains | 0 |
| Pingable IPs | 123 |
| Router IPs | 8 |
| 72.30.0.0 | unknown.yahoo.com | 0 |  | |
| 72.30.0.1 | ha1.et-0-2-1-d102.msr.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.2 | ha2.et-0-2-1-d102.msr.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.3 | et-0-2-1-d102.msr1.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.4 | et-19-2-1-d102.msr2.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.5 | ha16-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.6 | ha31-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.7 | ha15-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.8 | unknown.yahoo.com | 0 | | |
| 72.30.0.9 | unknown.yahoo.com | 0 | | |
| 72.30.0.10 | unknown.yahoo.com | 0 | | |
| 72.30.0.11 | unknown.yahoo.com | 0 | | |
| 72.30.0.12 | unknown.yahoo.com | 0 | | |
| 72.30.0.13 | unknown.yahoo.com | 0 | | |
| 72.30.0.14 | unknown.yahoo.com | 0 | | |
| 72.30.0.15 | unknown.yahoo.com | 0 | | |
| 72.30.0.16 | ha20-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.17 | ha22-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.18 | ha27-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.19 | ha24-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.20 | ha29-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.21 | ha21-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.22 | new-ha6-main.dns.bf1.yahoo.com | 0 | | |
| 72.30.0.23 | ha23-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.24 | ha28-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.25 | ha17-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.26 | ha30-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.27 | ha25-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.28 | ha14-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.29 | ha19-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.30 | ha32-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.31 | unknown.yahoo.com | 0 | | |
| 72.30.0.32 | unknown.yahoo.com | 0 | | |
| 72.30.0.33 | unknown.yahoo.com | 0 | | |
| 72.30.0.34 | unknown.yahoo.com | 0 | | |
| 72.30.0.35 | unknown.yahoo.com | 0 | | |
| 72.30.0.36 | unknown.yahoo.com | 0 | | |
| 72.30.0.37 | unknown.yahoo.com | 0 | | |
| 72.30.0.38 | unknown.yahoo.com | 0 | | |
| 72.30.0.39 | unknown.yahoo.com | 0 | | |
| 72.30.0.40 | unknown.yahoo.com | 0 | | |
| 72.30.0.41 | unknown.yahoo.com | 0 | | |
| 72.30.0.42 | unknown.yahoo.com | 0 | | |
| 72.30.0.43 | unknown.yahoo.com | 0 | | |
| 72.30.0.44 | unknown.yahoo.com | 0 | | |
| 72.30.0.45 | unknown.yahoo.com | 0 | | |
| 72.30.0.46 | unknown.yahoo.com | 0 | | |
| 72.30.0.47 | unknown.yahoo.com | 0 | | |
| 72.30.0.48 | unknown.yahoo.com | 0 | | |
| 72.30.0.49 | unknown.yahoo.com | 0 | | |
| 72.30.0.50 | unknown.yahoo.com | 0 | | |
| 72.30.0.51 | unknown.yahoo.com | 0 | | |
| 72.30.0.52 | unknown.yahoo.com | 0 | | |
| 72.30.0.53 | unknown.yahoo.com | 0 | | |
| 72.30.0.54 | unknown.yahoo.com | 0 | | |
| 72.30.0.55 | unknown.yahoo.com | 0 | | |
| 72.30.0.56 | unknown.yahoo.com | 0 | | |
| 72.30.0.57 | unknown.yahoo.com | 0 | | |
| 72.30.0.58 | unknown.yahoo.com | 0 | | |
| 72.30.0.59 | unknown.yahoo.com | 0 | | |
| 72.30.0.60 | ha13-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.61 | t-13-3.bas2.sci.yahoo.com | 0 | | |
| 72.30.0.62 | ha18-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.63 | t-13-3.bas1.sci.yahoo.com | 0 | | |
| 72.30.0.64 | unknown.yahoo.com | 0 | | |
| 72.30.0.65 | ha1.ae-8.msr.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.66 | ha2.ae-8.msr.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.67 | ae-8.msr1.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.68 | ae-8.msr2.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.69 | usw17.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.70 | usw18.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.71 | unknown.yahoo.com | 0 | | |
| 72.30.0.72 | unknown.yahoo.com | 0 | | |
| 72.30.0.73 | unknown.yahoo.com | 0 | | |
| 72.30.0.74 | unknown.yahoo.com | 0 | | |
| 72.30.0.75 | unknown.yahoo.com | 0 | | |
| 72.30.0.76 | unknown.yahoo.com | 0 | | |
| 72.30.0.77 | unknown.yahoo.com | 0 | | |
| 72.30.0.78 | unknown.yahoo.com | 0 | | |
| 72.30.0.79 | unknown.yahoo.com | 0 | | |
| 72.30.0.80 | maint-mns1.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.81 | maint-auth1.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.82 | maint-auth2.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.83 | ha56-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.84 | ha58-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.85 | ha60-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.86 | ha62-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.87 | ha64-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.88 | ha66-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.89 | ha68-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.90 | ha70-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.91 | ha72-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.92 | ha74-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.93 | ha76-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.94 | ha78-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.95 | ha80-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.96 | ha82-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.97 | ha84-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.98 | ha86-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.99 | ha88-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.100 | ha90-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.101 | ha57-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.102 | ha59-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.103 | ha61-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.104 | ha63-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.105 | ha65-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.106 | ha67-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.107 | ha69-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.108 | ha71-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.109 | ha73-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.110 | ha75-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.111 | ha77-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.112 | ha79-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.113 | ha81-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.114 | ha83-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.115 | ha85-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.116 | ha87-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.117 | ha89-mta.dns.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.118 | unknown.yahoo.com | 0 | | |
| 72.30.0.119 | unknown.yahoo.com | 0 | | |
| 72.30.0.120 | unknown.yahoo.com | 0 | | |
| 72.30.0.121 | unknown.yahoo.com | 0 | | |
| 72.30.0.122 | unknown.yahoo.com | 0 | | |
| 72.30.0.123 | unknown.yahoo.com | 0 | | |
| 72.30.0.124 | unknown.yahoo.com | 0 | | |
| 72.30.0.125 | unknown.yahoo.com | 0 | | |
| 72.30.0.126 | unknown.yahoo.com | 0 | | |
| 72.30.0.127 | unknown.yahoo.com | 0 | | |
| 72.30.0.128 | unknown.yahoo.com | 0 | | |
| 72.30.0.129 | unknown.yahoo.com | 0 | | |
| 72.30.0.130 | lo0.usw3-9-stl.bf1.yahoo.com | 0 | Ping |  |
| 72.30.0.131 | lo0.usw4-13-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.132 | lo0.usw5-17-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.133 | lo0.usw6-21-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.134 | lo0.tor1-25-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.135 | lo0.tor2-29-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.136 | unknown.yahoo.com | 0 | | |
| 72.30.0.137 | unknown.yahoo.com | 0 | | |
| 72.30.0.138 | unknown.yahoo.com | 0 | | |
| 72.30.0.139 | unknown.yahoo.com | 0 | | |
| 72.30.0.140 | unknown.yahoo.com | 0 | | |
| 72.30.0.141 | unknown.yahoo.com | 0 | | |
| 72.30.0.142 | unknown.yahoo.com | 0 | | |
| 72.30.0.143 | unknown.yahoo.com | 0 | | |
| 72.30.0.144 | unknown.yahoo.com | 0 | | |
| 72.30.0.145 | unknown.yahoo.com | 0 | | |
| 72.30.0.146 | unknown.yahoo.com | 0 | | |
| 72.30.0.147 | unknown.yahoo.com | 0 | | |
| 72.30.0.148 | unknown.yahoo.com | 0 | | |
| 72.30.0.149 | unknown.yahoo.com | 0 | | |
| 72.30.0.150 | unknown.yahoo.com | 0 | | |
| 72.30.0.151 | unknown.yahoo.com | 0 | | |
| 72.30.0.152 | unknown.yahoo.com | 0 | | |
| 72.30.0.153 | unknown.yahoo.com | 0 | | |
| 72.30.0.154 | unknown.yahoo.com | 0 | | |
| 72.30.0.155 | unknown.yahoo.com | 0 | | |
| 72.30.0.156 | unknown.yahoo.com | 0 | | |
| 72.30.0.157 | unknown.yahoo.com | 0 | | |
| 72.30.0.158 | unknown.yahoo.com | 0 | | |
| 72.30.0.159 | unknown.yahoo.com | 0 | | |
| 72.30.0.160 | et-1-0-3.clr1-a-gdc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.161 | et31-1.bas1-1-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.162 | et-8-0-3.clr1-a-gdc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.163 | et31-1.bas2-2-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.164 | et-11-0-3.clr1-a-gdc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.165 | et31-1.bas3-3-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.166 | et-18-0-3.clr1-a-gdc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.167 | et31-1.bas4-4-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.168 | et-1-0-3.clr2-a-gdc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.169 | et32-1.bas1-1-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.170 | et-8-0-3.clr2-a-gdc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.171 | et32-1.bas2-2-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.172 | et-11-0-3.clr2-a-gdc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.173 | et32-1.bas3-3-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.174 | et-18-0-3.clr2-a-gdc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.175 | et32-1.bas4-4-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.176 | lo0.bas1-1-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.177 | lo0.bas2-2-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.178 | lo0.bas3-3-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.179 | lo0.bas4-4-stl.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.180 | unknown.yahoo.com | 0 | | |
| 72.30.0.181 | unknown.yahoo.com | 0 | | |
| 72.30.0.182 | unknown.yahoo.com | 0 | | |
| 72.30.0.183 | unknown.yahoo.com | 0 | | |
| 72.30.0.184 | unknown.yahoo.com | 0 | | |
| 72.30.0.185 | unknown.yahoo.com | 0 | | |
| 72.30.0.186 | unknown.yahoo.com | 0 | | |
| 72.30.0.187 | unknown.yahoo.com | 0 | | |
| 72.30.0.188 | unknown.yahoo.com | 0 | | |
| 72.30.0.189 | unknown.yahoo.com | 0 | | |
| 72.30.0.190 | unknown.yahoo.com | 0 | | |
| 72.30.0.191 | unknown.yahoo.com | 0 | | |
| 72.30.0.192 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.193 | et25-1.usw1-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.194 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.195 | et26-1.usw1-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.196 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.197 | et27-1.usw1-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.198 | unknown.yahoo.com | 0 | | |
| 72.30.0.199 | et28-1.usw1-1-lbc.bf1.yahoo.com | 0 | | |
| 72.30.0.200 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.201 | et29-1.usw1-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.202 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.203 | et30-1.usw1-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.204 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.205 | et31-1.usw1-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.206 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.207 | et32-1.usw1-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.208 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.209 | et25-1.usw2-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.210 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.211 | et26-1.usw2-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.212 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.213 | et27-1.usw2-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.214 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.215 | et28-1.usw2-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.216 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.217 | et29-1.usw2-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.218 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.219 | et30-1.usw2-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.220 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.221 | et31-1.usw2-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.222 | unknown.yahoo.com | 0 | Ping | |
| 72.30.0.223 | et32-1.usw2-1-lbc.bf1.yahoo.com | 0 | Ping | |
| 72.30.0.224 | unknown.yahoo.com | 0 | | |
| 72.30.0.225 | unknown.yahoo.com | 0 | | |
| 72.30.0.226 | unknown.yahoo.com | 0 | | |
| 72.30.0.227 | unknown.yahoo.com | 0 | | |
| 72.30.0.228 | unknown.yahoo.com | 0 | | |
| 72.30.0.229 | unknown.yahoo.com | 0 | | |
| 72.30.0.230 | unknown.yahoo.com | 0 | | |
| 72.30.0.231 | unknown.yahoo.com | 0 | | |
| 72.30.0.232 | unknown.yahoo.com | 0 | | |
| 72.30.0.233 | unknown.yahoo.com | 0 | | |
| 72.30.0.234 | unknown.yahoo.com | 0 | | |
| 72.30.0.235 | unknown.yahoo.com | 0 | | |
| 72.30.0.236 | unknown.yahoo.com | 0 | | |
| 72.30.0.237 | unknown.yahoo.com | 0 | | |
| 72.30.0.238 | unknown.yahoo.com | 0 | | |
| 72.30.0.239 | unknown.yahoo.com | 0 | | |
| 72.30.0.240 | unknown.yahoo.com | 0 | | |
| 72.30.0.241 | unknown.yahoo.com | 0 | | |
| 72.30.0.242 | unknown.yahoo.com | 0 | | |
| 72.30.0.243 | unknown.yahoo.com | 0 | | |
| 72.30.0.244 | unknown.yahoo.com | 0 | | |
| 72.30.0.245 | unknown.yahoo.com | 0 | | |
| 72.30.0.246 | unknown.yahoo.com | 0 | | |
| 72.30.0.247 | unknown.yahoo.com | 0 | | |
| 72.30.0.248 | unknown.yahoo.com | 0 | | |
| 72.30.0.249 | unknown.yahoo.com | 0 | | |
| 72.30.0.250 | unknown.yahoo.com | 0 | | |
| 72.30.0.251 | unknown.yahoo.com | 0 | | |
| 72.30.0.252 | unknown.yahoo.com | 0 | | |
| 72.30.0.253 | unknown.yahoo.com | 0 | | |
| 72.30.0.254 | unknown.yahoo.com | 0 | | |
| 72.30.0.255 | unknown.yahoo.com | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.Traceroute →
$ traceroute -a -n -q1 -f5 72.30.0.98
traceroute to 72.30.0.98 (72.30.0.98): 64 hops max, 52 byte packets
Measurement taken from 
IPinfo ProbeNet in Buffalo, US
IPinfo ProbeNet in Buffalo, USOn