Summary
| ASN | AS3676 University of Iowa |
| BGP | 128.255.0.0/16 |
| IPs with RDNS | 170 |
| Hosted Domains | 0 |
| Pingable IPs | 0 |
| Router IPs | 0 |
| 128.255.74.0 | cb-net.uiowa.edu | 0 |  | |
| 128.255.74.1 | — | 0 | | |
| 128.255.74.2 | — | 0 | | |
| 128.255.74.3 | chem-s064.dynamic.uiowa.edu | 0 | | |
| 128.255.74.4 | lst-cb-w212-13.dynamic.uiowa.edu | 0 | | |
| 128.255.74.5 | — | 0 | | |
| 128.255.74.6 | — | 0 | | |
| 128.255.74.7 | chem-sfe440-003.dynamic.uiowa.edu | 0 | | |
| 128.255.74.8 | lst-cb-w212-01.dynamic.uiowa.edu | 0 | | |
| 128.255.74.9 | — | 0 | | |
| 128.255.74.10 | lst-cb-w212-14.dynamic.uiowa.edu | 0 | | |
| 128.255.74.11 | — | 0 | | |
| 128.255.74.12 | — | 0 | | |
| 128.255.74.13 | — | 0 | | |
| 128.255.74.14 | — | 0 | | |
| 128.255.74.15 | — | 0 | | |
| 128.255.74.16 | chem-s420.dynamic.uiowa.edu | 0 | | |
| 128.255.74.17 | — | 0 | | |
| 128.255.74.18 | chem-uic0009911.dynamic.uiowa.edu | 0 | | |
| 128.255.74.19 | lst-cb-w128.dynamic.uiowa.edu | 0 | | |
| 128.255.74.20 | chem-s278.dynamic.uiowa.edu | 0 | | |
| 128.255.74.21 | chem-s501.dynamic.uiowa.edu | 0 | | |
| 128.255.74.22 | — | 0 | | |
| 128.255.74.23 | chem-sfe340-010.dynamic.uiowa.edu | 0 | | |
| 128.255.74.24 | — | 0 | | |
| 128.255.74.25 | polycom_64167f8e203a.dynamic.uiowa.edu | 0 | | |
| 128.255.74.26 | chem-s225.dynamic.uiowa.edu | 0 | | |
| 128.255.74.27 | r-lnx320.dynamic.uiowa.edu | 0 | | |
| 128.255.74.28 | — | 0 | | |
| 128.255.74.29 | — | 0 | | |
| 128.255.74.30 | — | 0 | | |
| 128.255.74.31 | lst-cb-w212-25.dynamic.uiowa.edu | 0 | | |
| 128.255.74.32 | lst-cb-w212-43.dynamic.uiowa.edu | 0 | | |
| 128.255.74.33 | chem-uic0009950.dynamic.uiowa.edu | 0 | | |
| 128.255.74.34 | chem-s023.dynamic.uiowa.edu | 0 | | |
| 128.255.74.35 | chem-uic0009900.dynamic.uiowa.edu | 0 | | |
| 128.255.74.36 | — | 0 | | |
| 128.255.74.37 | chem-s387.dynamic.uiowa.edu | 0 | | |
| 128.255.74.38 | — | 0 | | |
| 128.255.74.39 | — | 0 | | |
| 128.255.74.40 | lst-cb-w212-48.dynamic.uiowa.edu | 0 | | |
| 128.255.74.41 | r-lnx321.dynamic.uiowa.edu | 0 | | |
| 128.255.74.42 | chem-s424.dynamic.uiowa.edu | 0 | | |
| 128.255.74.43 | lst-cb-w212-30.dynamic.uiowa.edu | 0 | | |
| 128.255.74.44 | — | 0 | | |
| 128.255.74.45 | chem-uic0010050.dynamic.uiowa.edu | 0 | | |
| 128.255.74.46 | — | 0 | | |
| 128.255.74.47 | ees-s074.dynamic.uiowa.edu | 0 | | |
| 128.255.74.48 | lst-cb-w212-47.dynamic.uiowa.edu | 0 | | |
| 128.255.74.49 | chem-s196.dynamic.uiowa.edu | 0 | | |
| 128.255.74.50 | vpr-hrms-008.dynamic.uiowa.edu | 0 | | |
| 128.255.74.51 | chem-s163.dynamic.uiowa.edu | 0 | | |
| 128.255.74.52 | — | 0 | | |
| 128.255.74.53 | chem-s101.dynamic.uiowa.edu | 0 | | |
| 128.255.74.54 | lib-sci2505.dynamic.uiowa.edu | 0 | | |
| 128.255.74.55 | — | 0 | | |
| 128.255.74.56 | chem-sfe440-011.dynamic.uiowa.edu | 0 | | |
| 128.255.74.57 | — | 0 | | |
| 128.255.74.58 | chem-s266.dynamic.uiowa.edu | 0 | | |
| 128.255.74.59 | — | 0 | | |
| 128.255.74.60 | — | 0 | | |
| 128.255.74.61 | — | 0 | | |
| 128.255.74.62 | — | 0 | | |
| 128.255.74.63 | — | 0 | | |
| 128.255.74.64 | chem-s056.dynamic.uiowa.edu | 0 | | |
| 128.255.74.65 | chem-s156.dynamic.uiowa.edu | 0 | | |
| 128.255.74.66 | — | 0 | | |
| 128.255.74.67 | chem-sf104-e425.dynamic.uiowa.edu | 0 | | |
| 128.255.74.68 | — | 0 | | |
| 128.255.74.69 | chem-sfe424-002.dynamic.uiowa.edu | 0 | | |
| 128.255.74.70 | — | 0 | | |
| 128.255.74.71 | chem-s894.dynamic.uiowa.edu | 0 | | |
| 128.255.74.72 | chem-s110.dynamic.uiowa.edu | 0 | | |
| 128.255.74.73 | — | 0 | | |
| 128.255.74.74 | — | 0 | | |
| 128.255.74.75 | chem-s036.dynamic.uiowa.edu | 0 | | |
| 128.255.74.76 | chem-sf102-e425.dynamic.uiowa.edu | 0 | | |
| 128.255.74.77 | — | 0 | | |
| 128.255.74.78 | — | 0 | | |
| 128.255.74.79 | chem-s108.dynamic.uiowa.edu | 0 | | |
| 128.255.74.80 | — | 0 | | |
| 128.255.74.81 | — | 0 | | |
| 128.255.74.82 | — | 0 | | |
| 128.255.74.83 | chem-s846.dynamic.uiowa.edu | 0 | | |
| 128.255.74.84 | lst-cb-w212-12.dynamic.uiowa.edu | 0 | | |
| 128.255.74.85 | lst-cb-e264.dynamic.uiowa.edu | 0 | | |
| 128.255.74.86 | chem-sfe340-008.dynamic.uiowa.edu | 0 | | |
| 128.255.74.87 | chem-s103.dynamic.uiowa.edu | 0 | | |
| 128.255.74.88 | sees-s420.dynamic.uiowa.edu | 0 | | |
| 128.255.74.89 | lst-cb-w212-09.dynamic.uiowa.edu | 0 | | |
| 128.255.74.90 | chem-s343.dynamic.uiowa.edu | 0 | | |
| 128.255.74.91 | chem-s249.dynamic.uiowa.edu | 0 | | |
| 128.255.74.92 | — | 0 | | |
| 128.255.74.93 | chem-s007.dynamic.uiowa.edu | 0 | | |
| 128.255.74.94 | — | 0 | | |
| 128.255.74.95 | lst-cb-e203.dynamic.uiowa.edu | 0 | | |
| 128.255.74.96 | chem-uic0021629.dynamic.uiowa.edu | 0 | | |
| 128.255.74.97 | chem-s942.dynamic.uiowa.edu | 0 | | |
| 128.255.74.98 | lst-cb-w212-45.dynamic.uiowa.edu | 0 | | |
| 128.255.74.99 | chem-s302.dynamic.uiowa.edu | 0 | | |
| 128.255.74.100 | chem-uic900381.dynamic.uiowa.edu | 0 | | |
| 128.255.74.101 | — | 0 | | |
| 128.255.74.102 | fm-l100047.dynamic.uiowa.edu | 0 | | |
| 128.255.74.103 | chem-s034.dynamic.uiowa.edu | 0 | | |
| 128.255.74.104 | chem-uic0015582.dynamic.uiowa.edu | 0 | | |
| 128.255.74.105 | chem-s216.dynamic.uiowa.edu | 0 | | |
| 128.255.74.106 | — | 0 | | |
| 128.255.74.107 | chem-s073.dynamic.uiowa.edu | 0 | | |
| 128.255.74.108 | lst-cb-w212-07.dynamic.uiowa.edu | 0 | | |
| 128.255.74.109 | — | 0 | | |
| 128.255.74.110 | — | 0 | | |
| 128.255.74.111 | chem-s924.dynamic.uiowa.edu | 0 | | |
| 128.255.74.112 | itg-s021.dynamic.uiowa.edu | 0 | | |
| 128.255.74.113 | — | 0 | | |
| 128.255.74.114 | chem-s260.dynamic.uiowa.edu | 0 | | |
| 128.255.74.115 | — | 0 | | |
| 128.255.74.116 | fm19-cb-e528.dynamic.uiowa.edu | 0 | | |
| 128.255.74.117 | chem-s191.dynamic.uiowa.edu | 0 | | |
| 128.255.74.118 | — | 0 | | |
| 128.255.74.119 | — | 0 | | |
| 128.255.74.120 | — | 0 | | |
| 128.255.74.121 | chem-sfe340-002.dynamic.uiowa.edu | 0 | | |
| 128.255.74.122 | — | 0 | | |
| 128.255.74.123 | chem-s469.dynamic.uiowa.edu | 0 | | |
| 128.255.74.124 | — | 0 | | |
| 128.255.74.125 | chem-s253.dynamic.uiowa.edu | 0 | | |
| 128.255.74.126 | lst-cb-w212-06.dynamic.uiowa.edu | 0 | | |
| 128.255.74.127 | chem-s845.dynamic.uiowa.edu | 0 | | |
| 128.255.74.128 | chem-sf100-e425.dynamic.uiowa.edu | 0 | | |
| 128.255.74.129 | — | 0 | | |
| 128.255.74.130 | chem-sf106-e425.dynamic.uiowa.edu | 0 | | |
| 128.255.74.131 | — | 0 | | |
| 128.255.74.132 | — | 0 | | |
| 128.255.74.133 | chem-s142.dynamic.uiowa.edu | 0 | | |
| 128.255.74.134 | chem-s367.dynamic.uiowa.edu | 0 | | |
| 128.255.74.135 | chem-uic0027488.dynamic.uiowa.edu | 0 | | |
| 128.255.74.136 | chem-uic0015630.dynamic.uiowa.edu | 0 | | |
| 128.255.74.137 | chem-sfe340-009.dynamic.uiowa.edu | 0 | | |
| 128.255.74.138 | chem-s340.dynamic.uiowa.edu | 0 | | |
| 128.255.74.139 | chem-s388.dynamic.uiowa.edu | 0 | | |
| 128.255.74.140 | — | 0 | | |
| 128.255.74.141 | chem-s850.dynamic.uiowa.edu | 0 | | |
| 128.255.74.142 | chem-sfe440-010.dynamic.uiowa.edu | 0 | | |
| 128.255.74.143 | chem-s925.dynamic.uiowa.edu | 0 | | |
| 128.255.74.144 | — | 0 | | |
| 128.255.74.145 | chem-s059.dynamic.uiowa.edu | 0 | | |
| 128.255.74.146 | chem-sfe364-005.dynamic.uiowa.edu | 0 | | |
| 128.255.74.147 | chem-sf101-e425.dynamic.uiowa.edu | 0 | | |
| 128.255.74.148 | chem-s922.dynamic.uiowa.edu | 0 | | |
| 128.255.74.149 | chem-sfe414-003.dynamic.uiowa.edu | 0 | | |
| 128.255.74.150 | chem-s245.dynamic.uiowa.edu | 0 | | |
| 128.255.74.151 | chem-s518.dynamic.uiowa.edu | 0 | | |
| 128.255.74.152 | chem-s562.dynamic.uiowa.edu | 0 | | |
| 128.255.74.153 | — | 0 | | |
| 128.255.74.154 | chem-sfe364-011.dynamic.uiowa.edu | 0 | | |
| 128.255.74.155 | chem-s160.dynamic.uiowa.edu | 0 | | |
| 128.255.74.156 | forbes-epr.dynamic.uiowa.edu | 0 | | |
| 128.255.74.157 | chem-sfe364-007.dynamic.uiowa.edu | 0 | | |
| 128.255.74.158 | chem-s282.dynamic.uiowa.edu | 0 | | |
| 128.255.74.159 | lst-cb-w290.dynamic.uiowa.edu | 0 | | |
| 128.255.74.160 | chem-s923.dynamic.uiowa.edu | 0 | | |
| 128.255.74.161 | chem-uic0015615.dynamic.uiowa.edu | 0 | | |
| 128.255.74.162 | — | 0 | | |
| 128.255.74.163 | — | 0 | | |
| 128.255.74.164 | chem-uic0009956.dynamic.uiowa.edu | 0 | | |
| 128.255.74.165 | chem-s290.dynamic.uiowa.edu | 0 | | |
| 128.255.74.166 | chem-s836.dynamic.uiowa.edu | 0 | | |
| 128.255.74.167 | chem-s043.dynamic.uiowa.edu | 0 | | |
| 128.255.74.168 | chem-s046.dynamic.uiowa.edu | 0 | | |
| 128.255.74.169 | — | 0 | | |
| 128.255.74.170 | chem-s332.dynamic.uiowa.edu | 0 | | |
| 128.255.74.171 | chem-s186.dynamic.uiowa.edu | 0 | | |
| 128.255.74.172 | — | 0 | | |
| 128.255.74.173 | lst-cb-w212-41.dynamic.uiowa.edu | 0 | | |
| 128.255.74.174 | desktop-2d00nt5.dynamic.uiowa.edu | 0 | | |
| 128.255.74.175 | lst-cb-w212-23.dynamic.uiowa.edu | 0 | | |
| 128.255.74.176 | — | 0 | | |
| 128.255.74.177 | chem-sfe414-002.dynamic.uiowa.edu | 0 | | |
| 128.255.74.178 | — | 0 | | |
| 128.255.74.179 | chem-s515.dynamic.uiowa.edu | 0 | | |
| 128.255.74.180 | lst-cb-w212-26.dynamic.uiowa.edu | 0 | | |
| 128.255.74.181 | chem-s094.dynamic.uiowa.edu | 0 | | |
| 128.255.74.182 | — | 0 | | |
| 128.255.74.183 | chem-s456.dynamic.uiowa.edu | 0 | | |
| 128.255.74.184 | chem-s081.dynamic.uiowa.edu | 0 | | |
| 128.255.74.185 | chem-s406.dynamic.uiowa.edu | 0 | | |
| 128.255.74.186 | — | 0 | | |
| 128.255.74.187 | — | 0 | | |
| 128.255.74.188 | — | 0 | | |
| 128.255.74.189 | chem-s151.dynamic.uiowa.edu | 0 | | |
| 128.255.74.190 | chem-s161.dynamic.uiowa.edu | 0 | | |
| 128.255.74.191 | chem-sfe340-012.dynamic.uiowa.edu | 0 | | |
| 128.255.74.192 | chem-s348.dynamic.uiowa.edu | 0 | | |
| 128.255.74.193 | chem-sfe440-006.dynamic.uiowa.edu | 0 | | |
| 128.255.74.194 | — | 0 | | |
| 128.255.74.195 | chem-s399.dynamic.uiowa.edu | 0 | | |
| 128.255.74.196 | lst-cb-w212-36.dynamic.uiowa.edu | 0 | | |
| 128.255.74.197 | chem-s269.dynamic.uiowa.edu | 0 | | |
| 128.255.74.198 | chem-s935.dynamic.uiowa.edu | 0 | | |
| 128.255.74.199 | chem-uic0015583.dynamic.uiowa.edu | 0 | | |
| 128.255.74.200 | chem-sfw328-011.dynamic.uiowa.edu | 0 | | |
| 128.255.74.201 | engr-r-cbe001.dynamic.uiowa.edu | 0 | | |
| 128.255.74.202 | — | 0 | | |
| 128.255.74.203 | lst-cb-e215.dynamic.uiowa.edu | 0 | | |
| 128.255.74.204 | — | 0 | | |
| 128.255.74.205 | chem-s008.dynamic.uiowa.edu | 0 | | |
| 128.255.74.206 | — | 0 | | |
| 128.255.74.207 | — | 0 | | |
| 128.255.74.208 | chem-s394.dynamic.uiowa.edu | 0 | | |
| 128.255.74.209 | polycom_64167f8e1df8.dynamic.uiowa.edu | 0 | | |
| 128.255.74.210 | chem-s178.dynamic.uiowa.edu | 0 | | |
| 128.255.74.211 | chem-s934.dynamic.uiowa.edu | 0 | | |
| 128.255.74.212 | chem-s031.dynamic.uiowa.edu | 0 | | |
| 128.255.74.213 | chem-sfe324-003.dynamic.uiowa.edu | 0 | | |
| 128.255.74.214 | lst-cb-w212-10.dynamic.uiowa.edu | 0 | | |
| 128.255.74.215 | — | 0 | | |
| 128.255.74.216 | — | 0 | | |
| 128.255.74.217 | chem-s368.dynamic.uiowa.edu | 0 | | |
| 128.255.74.218 | chem-s179.dynamic.uiowa.edu | 0 | | |
| 128.255.74.219 | — | 0 | | |
| 128.255.74.220 | r-lnx319.dynamic.uiowa.edu | 0 | | |
| 128.255.74.221 | — | 0 | | |
| 128.255.74.222 | lst-cb-w212-11.dynamic.uiowa.edu | 0 | | |
| 128.255.74.223 | chem-s079.dynamic.uiowa.edu | 0 | | |
| 128.255.74.224 | vpr-hrms-004.dynamic.uiowa.edu | 0 | | |
| 128.255.74.225 | — | 0 | | |
| 128.255.74.226 | chem-sfe340-003.dynamic.uiowa.edu | 0 | | |
| 128.255.74.227 | chem-sfe324-008.dynamic.uiowa.edu | 0 | | |
| 128.255.74.228 | lst-cb-w212-22.dynamic.uiowa.edu | 0 | | |
| 128.255.74.229 | chem-sfe364-009.dynamic.uiowa.edu | 0 | | |
| 128.255.74.230 | chem-s113.dynamic.uiowa.edu | 0 | | |
| 128.255.74.231 | — | 0 | | |
| 128.255.74.232 | lst-cb-e224.dynamic.uiowa.edu | 0 | | |
| 128.255.74.233 | — | 0 | | |
| 128.255.74.234 | — | 0 | | |
| 128.255.74.235 | chem-s418.dynamic.uiowa.edu | 0 | | |
| 128.255.74.236 | chem-s844.dynamic.uiowa.edu | 0 | | |
| 128.255.74.237 | chem-s375.dynamic.uiowa.edu | 0 | | |
| 128.255.74.238 | — | 0 | | |
| 128.255.74.239 | chem-sfe324-012.dynamic.uiowa.edu | 0 | | |
| 128.255.74.240 | chem-sfe364-001.dynamic.uiowa.edu | 0 | | |
| 128.255.74.241 | — | 0 | | |
| 128.255.74.242 | chem-s187.dynamic.uiowa.edu | 0 | | |
| 128.255.74.243 | chem-sfw344-002.dynamic.uiowa.edu | 0 | | |
| 128.255.74.244 | chem-s523.dynamic.uiowa.edu | 0 | | |
| 128.255.74.245 | — | 0 | | |
| 128.255.74.246 | — | 0 | | |
| 128.255.74.247 | chem-s044.dynamic.uiowa.edu | 0 | | |
| 128.255.74.248 | chem-s417.dynamic.uiowa.edu | 0 | | |
| 128.255.74.249 | chem-s209.dynamic.uiowa.edu | 0 | | |
| 128.255.74.250 | chem-sfw328-009.dynamic.uiowa.edu | 0 | | |
| 128.255.74.251 | lst-cb-w212-20.dynamic.uiowa.edu | 0 | | |
| 128.255.74.252 | chem-s927.dynamic.uiowa.edu | 0 | | |
| 128.255.74.253 | chem-s893.dynamic.uiowa.edu | 0 | | |
| 128.255.74.254 | chem-uic0018490.dynamic.uiowa.edu | 0 | | |
| 128.255.74.255 | — | 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 -m8 128.255.74.77
traceroute to 128.255.74.77 (128.255.74.77): 8 hops max, 52 byte packets
6 *
7 *
8 *
Measurement taken from 
IPinfo ProbeNet in Brussels, BE
IPinfo ProbeNet in Brussels, BEOn