Slackware dom0
==============
root@dom0:~# ifconfig
dummybr0  Link encap:Ethernet  HWaddr c8:0a:a9:03:31:31
          inet addr:10.139.7.42  Bcast:10.255.255.255  Mask:255.255.255.255
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:4 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:336 (336.0 B)  TX bytes:468 (468.0 B)

eth0      Link encap:Ethernet  HWaddr c8:0a:a9:03:36:15
          inet addr:88.191.123.229  Bcast:88.191.123.255  Mask:255.255.255.0
          inet6 addr: fe80::ca0a:a9ff:fe03:3615/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10697 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2358 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1326648 (1.2 MiB)  TX bytes:532919 (520.4 KiB)
          Memory:feae0000-feb00000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:163 errors:0 dropped:0 overruns:0 frame:0
          TX packets:163 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:18008 (17.5 KiB)  TX bytes:18008 (17.5 KiB)

vbsd64.0  Link encap:Ethernet  HWaddr fe:ff:ff:ff:ff:ff
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
          RX packets:55 errors:0 dropped:0 overruns:0 frame:0
          TX packets:166 errors:0 dropped:2 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:4520 (4.4 KiB)  TX bytes:7104 (6.9 KiB)

root@dom0:~# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
88.191.231.159  0.0.0.0         255.255.255.255 UH    0      0        0 vbsd64.0
88.191.123.0    0.0.0.0         255.255.255.0   U     0      0        0 eth0
0.0.0.0         88.191.123.1    0.0.0.0         UG    0      0        0 eth0

NetBSD
======
# ifconfig -a
xennet0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        capabilities=2800<TCP4CSUM_Tx,UDP4CSUM_Tx>
        enabled=0
        address: 00:16:3e:67:23:92
        inet 88.191.231.159 netmask 0xffffffff broadcast 88.191.231.159
        inet6 fe80::216:3eff:fe67:2392%xennet0 prefixlen 64 scopeid 0x1
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33648
        inet 127.0.0.1 netmask 0xff000000
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2

# netstat -r -f inet
Routing tables

Internet:
Destination        Gateway            Flags    Refs      Use    Mtu  Interface
88.191.123.229     78:65:6e:6e:65:74  UHLS        0       51      -  xennet0
88.191.231.159/32  link#1             UC          0        0      -  xennet0
127/8              localhost          UGRS        0        0  33648  lo0
localhost          localhost          UH          1       80  33648  lo0

# arp -a
? (88.191.123.229) at 78:65:6e:6e:65:74:30:00:00:00:fa:ce on xennet0 permanent