# tcpdump -nN -evv
tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
17:04:46.438802 d0:50:99:de:94:33 > 01:00:5e:62:78:90, ethertype IPv4 (0x0800), length 453: (tos 0x0, ttl 1, id 1957, offset 0, flags [DF], proto UDP (17), length 439)
45.95.147.20.5136 > 231.98.120.144.5060: [udp sum ok] SIP, length: 411
OPTIONS sip:100@231.98.120.144 SIP/2.0
Via: SIP/2.0/UDP 45.95.147.20:5136;branch=z9hG4bK-1351314940;rport
Content-Length: 0
From: "sipvicious"<sip:100@1.1.1.1>;tag=6537363237383930313363340131333530383631363336
Accept: application/sdp
User-Agent: friendly-scanner
To: "sipvicious"<sip:100@1.1.1.1>
Contact: sip:100@45.95.147.20:5136
CSeq: 1 OPTIONS
Call-ID: 3014767519076859219606
Max-Forwards: 70

17:04:46.439007 d0:50:99:de:94:33 > 01:00:5e:62:7e:b9, ethertype IPv4 (0x0800), length 455: (tos 0x0, ttl 1, id 45206, offset 0, flags [DF], proto UDP (17), length 441)
45.95.147.20.5190 > 235.98.126.185.5060: [udp sum ok] SIP, length: 413
OPTIONS sip:100@235.98.126.185 SIP/2.0
Via: SIP/2.0/UDP 45.95.147.20:5190;branch=z9hG4bK-3065124847;rport
Content-Length: 0
From: "sipvicious"<sip:100@1.1.1.1>;tag=6562363237656239313363340133383938323130333232
Accept: application/sdp
User-Agent: friendly-scanner
To: "sipvicious"<sip:100@1.1.1.1>
Contact: sip:100@45.95.147.20:5190
CSeq: 1 OPTIONS
Call-ID: 398773426030643555343632
Max-Forwards: 70

17:04:46.440089 d0:50:99:de:94:33 > 01:00:5e:62:7d:6d, ethertype IPv4 (0x0800), length 452: (tos 0x0, ttl 1, id 15640, offset 0, flags [DF], proto UDP (17), length 438)
45.95.147.20.5258 > 224.98.125.109.5060: [udp sum ok] SIP, length: 410
OPTIONS sip:100@224.98.125.109 SIP/2.0
Via: SIP/2.0/UDP 45.95.147.20:5258;branch=z9hG4bK-35424907;rport
Content-Length: 0
From: "sipvicious"<sip:100@1.1.1.1>;tag=65303632376436643133633401393634343030333632
Accept: application/sdp
User-Agent: friendly-scanner
To: "sipvicious"<sip:100@1.1.1.1>
Contact: sip:100@45.95.147.20:5258
CSeq: 1 OPTIONS
Call-ID: 1157893217749774267348757
Max-Forwards: 70

17:04:46.440097 d0:50:99:de:94:33 > 01:00:5e:62:6a:0f, ethertype IPv4 (0x0800), length 451: (tos 0x0, ttl 1, id 22857, offset 0, flags [DF], proto UDP (17), length 437)
45.95.147.20.5211 > 227.98.106.15.5060: [udp sum ok] SIP, length: 409
OPTIONS sip:100@227.98.106.15 SIP/2.0
Via: SIP/2.0/UDP 45.95.147.20:5211;branch=z9hG4bK-333274933;rport
Content-Length: 0
From: "sipvicious"<sip:100@1.1.1.1>;tag=65333632366130663133633401373530363936303131
Accept: application/sdp
User-Agent: friendly-scanner
To: "sipvicious"<sip:100@1.1.1.1>
Contact: sip:100@45.95.147.20:5211
CSeq: 1 OPTIONS
Call-ID: 948505290613103069112209
Max-Forwards: 70

17:04:46.440461 d0:50:99:de:94:33 > 01:00:5e:62:7f:8c, ethertype IPv4 (0x0800), length 456: (tos 0x0, ttl 1, id 11361, offset 0, flags [DF], proto UDP (17), length 442)
45.95.147.20.5294 > 230.98.127.140.5060: [udp sum ok] SIP, length: 414
OPTIONS sip:100@230.98.127.140 SIP/2.0
Via: SIP/2.0/UDP 45.95.147.20:5294;branch=z9hG4bK-3225388521;rport
Content-Length: 0
From: "sipvicious"<sip:100@1.1.1.1>;tag=6536363237663863313363340134303035383937393534
Accept: application/sdp
User-Agent: friendly-scanner
To: "sipvicious"<sip:100@1.1.1.1>
Contact: sip:100@45.95.147.20:5294
CSeq: 1 OPTIONS
Call-ID: 1190968937188361579917431
Max-Forwards: 70