Re: Router MAC-Addresses @ IXs
- Date: Thu, 12 Oct 2000 18:49:49 +0200
On Thu, Oct 12, 2000 at 05:29:16PM +0200, Christian Panigl, ACOnet/VIX/UniVie wrote:
> Dear Exchange Point members and operators,
>
> I have a small inquiry today: could you please have a look at the
> low-order bit distribution of (Cisco) router MAC addresses at your
> exchange point(s) and tell me the result ?
Attached is the output of 'show arp' on a router connected to LINX, and
one connected to AMS-IX
/Jesper
--
Jesper Skriver, jesper(at)skriver(dot)dk - CCIE #5456
Work: Network manager @ AS3292 (Tele Danmark DataNetworks)
Private: Geek @ AS2109 (A much smaller network ;-)
One Unix to rule them all, One Resolver to find them,
One IP to bring them all and in the zone to bind them.
amsixnxi1#sh arp
Protocol Address Age (min) Hardware Addr Type Interface
Internet 193.148.15.90 164 00d0.d3b0.2820 ARPA FastEthernet0/0
Internet 193.148.15.88 0 0090.bf5b.e000 ARPA FastEthernet0/0
Internet 193.148.15.94 164 00e0.b0f3.5980 ARPA FastEthernet0/0
Internet 193.148.15.92 0 0090.865a.f000 ARPA FastEthernet0/0
Internet 193.148.15.93 0 00e0.6362.ea08 ARPA FastEthernet0/0
Internet 193.148.15.82 0 00b0.8ecb.1c1c ARPA FastEthernet0/0
Internet 193.148.15.83 45 0050.7346.c140 ARPA FastEthernet0/0
Internet 193.148.15.80 0 0030.b61e.5928 ARPA FastEthernet0/0
Internet 193.148.15.86 0 0050.a29f.a000 ARPA FastEthernet0/0
Internet 193.148.15.87 45 0030.a32e.b81c ARPA FastEthernet0/0
Internet 193.148.15.74 0 0090.8610.5080 ARPA FastEthernet0/0
Internet 193.148.15.75 0 0001.63c3.2020 ARPA FastEthernet0/0
Internet 193.148.15.73 0 0002.4ac0.a000 ARPA FastEthernet0/0
Internet 193.148.15.78 0 0002.1717.5980 ARPA FastEthernet0/0
Internet 193.148.15.79 0 00e0.1e89.19c1 ARPA FastEthernet0/0
Internet 193.148.15.76 1 0010.117f.e018 ARPA FastEthernet0/0
Internet 193.148.15.77 195 0002.17e9.20a0 ARPA FastEthernet0/0
Internet 193.148.15.70 0 0050.3e21.7000 ARPA FastEthernet0/0
Internet 193.148.15.68 0 00e0.1e7e.4522 ARPA FastEthernet0/0
Internet 193.148.15.122 197 0002.4a9f.c840 ARPA FastEthernet0/0
Internet 193.148.15.126 0 00d0.bb5a.4928 ARPA FastEthernet0/0
Internet 193.148.15.127 0 0030.71c6.dc00 ARPA FastEthernet0/0
Internet 193.148.15.124 1 0090.6918.087e ARPA FastEthernet0/0
Internet 193.148.15.112 0 0010.7b50.84e1 ARPA FastEthernet0/0
Internet 193.148.15.113 0 0030.9604.e8a8 ARPA FastEthernet0/0
Internet 193.148.15.118 0 0030.717b.7c00 ARPA FastEthernet0/0
Internet 193.148.15.119 33 0030.19a0.5080 ARPA FastEthernet0/0
Internet 193.148.15.106 0 00b0.4a6a.6c60 ARPA FastEthernet0/0
Internet 193.148.15.107 0 0050.7392.f100 ARPA FastEthernet0/0
Internet 193.148.15.104 - 00b0.8e0f.c800 ARPA FastEthernet0/0
Internet 193.148.15.110 45 0050.0fa2.4800 ARPA FastEthernet0/0
Internet 193.148.15.109 0 0010.7936.68a0 ARPA FastEthernet0/0
Internet 193.148.15.98 0 00b0.4a6b.30a0 ARPA FastEthernet0/0
Internet 193.148.15.99 0 00c0.8089.157c ARPA FastEthernet0/0
Internet 193.148.15.97 233 0030.f237.8820 ARPA FastEthernet0/0
Internet 193.148.15.103 164 0001.c9ee.b8a0 ARPA FastEthernet0/0
Internet 193.148.15.101 0 0050.a219.3c00 ARPA FastEthernet0/0
Internet 193.148.15.1 0 0090.f24b.f800 ARPA FastEthernet0/0
Internet 193.148.15.58 20 0090.bf7c.b080 ARPA FastEthernet0/0
Internet 193.148.15.59 163 0090.bf3b.1888 ARPA FastEthernet0/0
Internet 193.148.15.56 0 0030.71d1.5008 ARPA FastEthernet0/0
Internet 193.148.15.57 0 0010.0768.c870 ARPA FastEthernet0/0
Internet 193.148.15.62 95 0010.2922.d800 ARPA FastEthernet0/0
Internet 193.148.15.63 40 0030.7b16.7020 ARPA FastEthernet0/0
Internet 193.148.15.61 0 00d0.79bf.90c0 ARPA FastEthernet0/0
Internet 193.148.15.51 163 0000.0c76.8c62 ARPA FastEthernet0/0
Internet 193.148.15.48 0 00d0.793b.c028 ARPA FastEthernet0/0
Internet 193.148.15.49 164 00d0.58a2.fee1 ARPA FastEthernet0/0
Internet 193.148.15.55 44 0050.0b56.9000 ARPA FastEthernet0/0
Internet 193.148.15.52 0 00d0.79bf.8820 ARPA FastEthernet0/0
Internet 193.148.15.53 0 00e0.3451.f000 ARPA FastEthernet0/0
Internet 193.148.15.43 129 0010.14e7.5800 ARPA FastEthernet0/0
Internet 193.148.15.40 0 0010.7b90.73f0 ARPA FastEthernet0/0
Internet 193.148.15.34 0 0090.b186.80a0 ARPA FastEthernet0/0
Internet 193.148.15.35 0 0002.4a8a.a000 ARPA FastEthernet0/0
Internet 193.148.15.38 0 00d0.bb5a.4828 ARPA FastEthernet0/0
Internet 193.148.15.37 45 0060.2f54.5980 ARPA FastEthernet0/0
Internet 194.182.130.53 92 0001.6396.2038 ARPA FastEthernet2/0
Internet 194.182.130.49 - 00b0.8e0f.c838 ARPA FastEthernet2/0
Internet 193.148.15.138 0 00e0.4f44.3c10 ARPA FastEthernet0/0
Internet 193.148.15.136 22 0090.92c7.c928 ARPA FastEthernet0/0
Internet 193.148.15.140 113 0030.b6f4.b8c0 ARPA FastEthernet0/0
Internet 193.148.15.130 0 0030.19d2.9c1c ARPA FastEthernet0/0
Internet 193.148.15.131 163 0002.7dca.4ca8 ARPA FastEthernet0/0
Internet 193.148.15.128 97 00b0.8e4c.3820 ARPA FastEthernet0/0
Internet 193.148.15.129 95 0090.bf99.30a9 ARPA FastEthernet0/0
Internet 193.148.15.134 45 0050.538d.d820 ARPA FastEthernet0/0
Internet 193.148.15.135 0 00c0.f04b.5c9c ARPA FastEthernet0/0
Internet 193.148.15.132 166 0010.7be0.eff0 ARPA FastEthernet0/0
amsixnxi1#q
linxnxi1#sh arp
Protocol Address Age (min) Hardware Addr Type Interface
Internet 195.66.224.96 0 0050.0b55.4400 ARPA FastEthernet0/0
Internet 195.66.225.98 0 0050.0b72.c880 ARPA FastEthernet0/0
Internet 195.66.224.98 0 0050.d102.f880 ARPA FastEthernet0/0
Internet 195.66.224.103 0 0030.19a0.3060 ARPA FastEthernet0/0
Internet 195.66.225.103 0 0030.b666.3460 ARPA FastEthernet0/0
Internet 195.66.225.104 0 0090.2771.080c ARPA FastEthernet0/0
Internet 195.66.224.105 0 00d0.9748.f800 ARPA FastEthernet0/0
Internet 195.66.224.104 0 00d0.b709.2ab6 ARPA FastEthernet0/0
Internet 195.66.224.107 0 0030.1992.2020 ARPA FastEthernet0/0
Internet 195.66.224.109 69 0030.a302.6808 ARPA FastEthernet0/0
Internet 195.66.224.110 0 0030.71e4.c81c ARPA FastEthernet0/0
Internet 195.66.224.113 1 00b0.4a9e.3470 ARPA FastEthernet0/0
Internet 195.66.225.112 0 0030.b61e.2060 ARPA FastEthernet0/0
Internet 195.66.224.112 12 00d0.ff60.3820 ARPA FastEthernet0/0
Internet 195.66.225.113 0 00b0.4aaf.e000 ARPA FastEthernet0/0
Internet 195.66.224.115 70 0002.1786.a028 ARPA FastEthernet0/0
Internet 195.66.224.114 0 00b0.8e94.d000 ARPA FastEthernet0/0
Internet 195.66.224.117 0 0001.64d8.2400 ARPA FastEthernet0/0
Internet 195.66.224.116 0 0090.6917.bef4 ARPA FastEthernet0/0
Internet 195.66.224.119 0 0050.2af8.e81d ARPA FastEthernet0/0
Internet 195.66.225.119 0 0050.e254.a81d ARPA FastEthernet0/0
Internet 195.66.224.120 54 00e0.1eae.e850 ARPA FastEthernet0/0
Internet 195.66.224.123 0 0001.64ed.5080 ARPA FastEthernet0/0
Internet 195.66.224.122 0 00b0.4a1f.3800 ARPA FastEthernet0/0
Internet 195.66.225.123 0 00b0.8ee0.c8a0 ARPA FastEthernet0/0
Internet 195.66.225.126 54 0010.7b11.f720 ARPA FastEthernet0/0
Internet 195.66.224.126 54 0030.804c.e481 ARPA FastEthernet0/0
Internet 195.66.225.65 0 00d0.632c.c800 ARPA FastEthernet0/0
Internet 195.66.224.64 - 00b0.8e0f.bc00 ARPA FastEthernet0/0
Internet 195.66.224.67 0 0090.6fb4.9c38 ARPA FastEthernet0/0
Internet 195.66.225.66 0 00d0.97f9.70a8 ARPA FastEthernet0/0
Internet 195.66.225.67 0 00e0.fe06.d438 ARPA FastEthernet0/0
Internet 195.66.224.66 0 00d0.bcfa.481c ARPA FastEthernet0/0
Internet 195.66.225.68 0 0030.9665.2020 ARPA FastEthernet0/0
Internet 195.66.224.69 0 0030.b667.6c40 ARPA FastEthernet0/0
Internet 195.66.225.69 0 0030.b667.7440 ARPA FastEthernet0/0
Internet 195.66.224.68 0 00e0.bf02.6510 ARPA FastEthernet0/0
Internet 195.66.225.70 0 00b0.6433.bba1 ARPA FastEthernet0/0
Internet 195.66.224.71 0 0030.b667.3041 ARPA FastEthernet0/0
Internet 195.66.225.72 0 0030.f2f3.b870 ARPA FastEthernet0/0
Internet 195.66.224.73 53 0090.ab0b.e800 ARPA FastEthernet0/0
Internet 195.66.225.73 87 0010.546b.d43b ARPA FastEthernet0/0
Internet 195.66.224.72 0 0030.7b1a.5c70 ARPA FastEthernet0/0
Internet 195.66.224.74 0 0010.5447.d020 ARPA FastEthernet0/0
Internet 195.66.224.77 0 0030.b667.54a0 ARPA FastEthernet0/0
Internet 195.66.225.76 0 0001.63f7.a120 ARPA FastEthernet0/0
Internet 195.66.224.76 0 0050.2abf.dc60 ARPA FastEthernet0/0
Internet 195.66.224.79 18 0090.8618.f0a0 ARPA FastEthernet0/0
Internet 195.66.225.78 0 0001.97dc.a01d ARPA FastEthernet0/0
Internet 195.66.224.78 0 0050.50c6.2019 ARPA FastEthernet0/0
Internet 195.66.224.81 0 0030.b698.0854 ARPA FastEthernet0/0
Internet 195.66.225.80 0 0050.0b7b.2081 ARPA FastEthernet0/0
Internet 195.66.224.80 0 0050.0b7b.c081 ARPA FastEthernet0/0
Internet 195.66.224.82 0 0050.3e23.18a0 ARPA FastEthernet0/0
Internet 195.66.224.84 0 0090.9267.9c38 ARPA FastEthernet0/0
Internet 195.66.224.86 0 0010.1170.e408 ARPA FastEthernet0/0
Internet 195.66.224.89 0 00d0.bc87.a080 ARPA FastEthernet0/0
Internet 195.66.224.88 0 0000.0cb1.7fc8 ARPA FastEthernet0/0
Internet 195.66.225.90 111 0090.923f.b080 ARPA FastEthernet0/0
Internet 195.66.224.91 89 0090.ab3c.80a0 ARPA FastEthernet0/0
Internet 195.66.224.90 112 0030.b6f1.98a0 ARPA FastEthernet0/0
Internet 195.249.12.10 154 00b0.8e0f.b81c ARPA FastEthernet1/0
Internet 195.66.224.93 53 00d0.5896.39e0 ARPA FastEthernet0/0
Internet 195.249.12.9 - 00b0.8e0f.bc1c ARPA FastEthernet1/0
Internet 195.66.225.32 0 0001.6394.1838 ARPA FastEthernet0/0
Internet 195.66.224.33 26 0060.3ebf.f868 ARPA FastEthernet0/0
Internet 195.66.224.32 0 0001.6395.541c ARPA FastEthernet0/0
Internet 195.66.225.33 59 0050.a2a0.8021 ARPA FastEthernet0/0
Internet 195.66.224.35 0 0002.4a4b.6400 ARPA FastEthernet0/0
Internet 195.66.225.34 0 00d0.bc75.fc60 ARPA FastEthernet0/0
Internet 195.66.224.34 0 0060.fdd8.c49e ARPA FastEthernet0/0
Internet 195.66.224.36 0 00e0.1eae.dab8 ARPA FastEthernet0/0
Internet 195.66.224.39 0 0060.5cf7.fcc0 ARPA FastEthernet0/0
Internet 195.66.224.41 0 0060.2fa3.3c6b ARPA FastEthernet0/0
Internet 195.66.224.43 0 0050.d15c.0008 ARPA FastEthernet0/0
Internet 195.66.225.42 59 0060.70cc.f684 ARPA FastEthernet0/0
Internet 195.66.224.42 59 0001.64af.881c ARPA FastEthernet0/0
Internet 195.66.225.43 0 00d0.0693.6408 ARPA FastEthernet0/0
Internet 195.66.224.47 0 0090.929f.ac60 ARPA FastEthernet0/0
Internet 195.66.225.47 0 0090.86f0.a808 ARPA FastEthernet0/0
Internet 195.66.224.49 0 0002.fc08.d0e0 ARPA FastEthernet0/0
Internet 195.66.225.49 0 0050.0b06.9000 ARPA FastEthernet0/0
Internet 195.66.224.48 0 0030.711b.5454 ARPA FastEthernet0/0
Internet 195.66.224.51 0 00e0.14de.9b80 ARPA FastEthernet0/0
Internet 195.66.224.50 0 0090.bfad.7088 ARPA FastEthernet0/0
Internet 195.66.224.53 1 0010.7bb2.3ba0 ARPA FastEthernet0/0
Internet 195.66.224.52 0 0050.8038.5a00 ARPA FastEthernet0/0
Internet 195.66.224.57 21 00b0.4a9d.7400 ARPA FastEthernet0/0
Internet 195.66.224.56 0 00d0.0644.a800 ARPA FastEthernet0/0
Internet 195.66.225.57 0 00b0.4a9d.7400 ARPA FastEthernet0/0
Internet 195.66.224.59 0 00d0.9703.281c ARPA FastEthernet0/0
Internet 195.66.225.58 0 0000.e877.ad2b ARPA FastEthernet0/0
Internet 195.66.225.59 0 00d0.ffb3.6c70 ARPA FastEthernet0/0
Internet 195.66.224.58 1 00a0.c9da.82d8 ARPA FastEthernet0/0
Internet 195.66.224.61 0 00d0.9707.b470 ARPA FastEthernet0/0
Internet 195.66.225.61 0 0030.7101.3080 ARPA FastEthernet0/0
Internet 195.66.224.60 0 0050.0b56.70a8 ARPA FastEthernet0/0
Internet 195.66.224.62 0 0010.7b07.7f60 ARPA FastEthernet0/0
Internet 195.66.225.10 0 00b0.4a6f.d020 ARPA FastEthernet0/0
Internet 195.66.224.10 0 0001.64a6.c020 ARPA FastEthernet0/0
Internet 195.66.224.13 0 00e0.52ce.ac00 ARPA FastEthernet0/0
Internet 195.66.224.12 0 0090.270e.9c30 ARPA FastEthernet0/0
Internet 195.66.224.15 0 00b0.c286.3c80 ARPA FastEthernet0/0
Internet 195.66.224.14 59 00d0.7901.0c80 ARPA FastEthernet0/0
Internet 195.66.224.16 63 0060.702c.f880 ARPA FastEthernet0/0
Internet 195.66.224.18 28 0001.6396.f070 ARPA FastEthernet0/0
Internet 195.66.225.20 0 0090.6950.dc7e ARPA FastEthernet0/0
Internet 195.66.224.20 33 00d0.bc73.4820 ARPA FastEthernet0/0
Internet 195.66.225.22 0 0010.0ddf.0840 ARPA FastEthernet0/0
Internet 195.66.224.22 0 0060.5c2b.2e80 ARPA FastEthernet0/0
Internet 195.66.224.25 0 00a0.cc73.3ce3 ARPA FastEthernet0/0
Internet 195.66.225.25 0 00a0.cc73.3c73 ARPA FastEthernet0/0
Internet 195.66.224.24 0 00d0.ff28.88c0 ARPA FastEthernet0/0
Internet 195.66.224.26 0 00d0.6338.8800 ARPA FastEthernet0/0
Internet 195.66.224.29 0 00b0.8e46.3ca0 ARPA FastEthernet0/0
Internet 195.66.224.28 0 0090.8681.5000 ARPA FastEthernet0/0
Internet 195.66.225.29 0 0002.7d8a.60a0 ARPA FastEthernet0/0
Internet 195.66.224.31 0 00d0.bcff.2c00 ARPA FastEthernet0/0
Internet 195.66.225.30 0 0002.7d89.8840 ARPA FastEthernet0/0
Internet 195.66.224.30 0 00b0.8e43.0480 ARPA FastEthernet0/0
Internet 195.66.225.241 0 0001.021d.72c4 ARPA FastEthernet0/0
Internet 195.66.225.252 14 00a0.c9a3.1171 ARPA FastEthernet0/0
Internet 195.66.225.254 0 0010.0ba0.f408 ARPA FastEthernet0/0
Internet 208.185.188.5 33 0050.2abf.dcc7 ARPA FastEthernet2/0
Internet 208.185.188.6 - 00b0.8e0f.bc38 ARPA FastEthernet2/0
Internet 195.66.224.131 0 00d0.6350.2038 ARPA FastEthernet0/0
Internet 195.66.225.136 0 Incomplete ARPA
Internet 195.66.224.136 0 0050.505e.e41c ARPA FastEthernet0/0
linxnxi1#q
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