From owner-freebsd-questions Tue Mar 24 15:58:04 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA23475 for freebsd-questions-outgoing; Tue, 24 Mar 1998 15:58:04 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from ha1.rdc1.sfba.home.com (siteadm@ha1.rdc1.sfba.home.com [24.0.0.66]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id PAA23405 for ; Tue, 24 Mar 1998 15:57:28 -0800 (PST) (envelope-from ludwigp@bigfoot.com) Received: from speedy.plstn1.sfba.home.com ([24.1.82.47]) by ha1.rdc1.sfba.home.com (Netscape Mail Server v2.02) with SMTP id AAA12317 for ; Tue, 24 Mar 1998 15:57:28 -0800 Message-Id: <3.0.3.32.19980324155726.0073f150@mail.plstn1.sfba.home.com> X-Sender: ludwigp@mail.plstn1.sfba.home.com (Unverified) X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.3 (32) Date: Tue, 24 Mar 1998 15:57:26 -0800 To: questions@FreeBSD.ORG From: Ludwig Pummer Subject: off-topic: invalid IP in use Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I was at school, telnetted into home and ran a traceroute just out of curiosity. I got some interesting results: there is a 172.16.4.1 computer out there, between @Home and Netcom's network. FreeBSD 2.2.5's traceroute traceroute to 205.187.104.208 (205.187.104.208), 30 hops max, 40 byte packets 1 cr1-hfc1.plstn1.sfba.home.net (24.1.82.1) 15.156 ms 29.179 ms 19.742 ms 2 r1-fe2-0-0-100bt.frmt1.sfba.home.net (24.1.80.1) 8.153 ms 6.675 ms 7.549 ms 3 * * * 4 bb1-fe0-0-100bt.rdc1.sfba.home.net (24.0.0.2) 8.850 ms 12.332 ms 9.726 ms 5 172.16.4.1 (172.16.4.1) 11.799 ms 12.710 ms 9.429 ms 6 mae-west.netcom.net (198.32.136.15) 120.975 ms 483.541 ms 16.856 ms 7 h4-0-4-sjx-ca-gw1.netcom.net (163.179.233.213) 47.618 ms 307.925 ms 13.84 7 ms 8 t3-1.ple-ca-gw1.netcom.net (163.179.219.4) 81.190 ms 94.642 ms * 9 ple-ca-gw6.netcom.net (163.179.20.21) 18.132 ms 27.154 ms 29.499 ms 10 205.187.70.2 (205.187.70.2) 34.307 ms 48.218 ms 46.470 ms 11 205.187.70.4 (205.187.70.4) 52.383 ms 37.846 ms 49.410 ms 12 205.187.70.5 (205.187.70.5) 32.057 ms 44.993 ms 40.850 ms 13 205.187.114.147 (205.187.114.147) 30.415 ms 48.641 ms 46.292 ms 14 205.187.104.208 (205.187.104.208) 61.071 ms 43.405 ms 39.119 ms DOS's tracert (from a Win95 machine going through natd on inet) Tracing route to 205.187.104.208 over a maximum of 1 <10 ms 1 ms 1 ms inet [172.16.1.5] 2 24 ms 19 ms 19 ms cr1-hfc1.plstn1.sf 3 13 ms 10 ms 13 ms r1-fe2-0-0-100bt.f 4 * * * Request timed out. 5 13 ms 10 ms 12 ms bb1-fe0-0-100bt.rd 6 14 ms 10 ms 11 ms 172.16.4.1 7 11 ms 13 ms 15 ms mae-west.netcom.ne 8 33 ms 23 ms 23 ms h4-0-4-sjx-ca-gw1. 9 36 ms 21 ms 17 ms t3-1.ple-ca-gw1.ne 10 * * * Request timed out. 11 * * * Request timed out. 12 36 ms 26 ms 23 ms 205.187.70.4 13 25 ms 30 ms 26 ms 205.187.70.5 14 24 ms 30 ms 28 ms 205.187.114.147 15 * * * Request timed out. 16 * * * Request timed out. 17 * * * Request timed out. Another test (i had to change to the IP to 205.187.70.4 since the PC was shut off) ping -R 205.187.70.4 PING 205.187.70.4 (205.187.70.4): 56 data bytes 64 bytes from 205.187.70.4: icmp_seq=0 ttl=246 time=194.698 ms RR: 10.0.255.246 r2-fe0-0-100bt.rdc1.sfba.home.net (24.0.0.3) 172.16.4.2 bb.mae-w.home.net (198.32.136.70) h0-0-mae-west.netcom.net (163.179.233.214) h5-0.sjx-ca-gw1.netcom.net (163.179.219.6) ple-ca-gw1.netcom.net (163.179.20.253) 205.187.70.4 205.187.70.4 Now i've got 10.0.255.246 and 172.16.4.2. Both 172.16.4.1 and 172.16.4.2 respond to pings (times <10ms). Is @Home doing this because they're "naughty", for security reasons, or is it some other place that's doing this? --Ludwig Pummer ludwigp@bigfoot.com ICQ UIN: 692441 http://chipweb.home.ml.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message