Here is my results on bother accounts:
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IS
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C:\>ping saix.co.za
Pinging saix.co.za [196.25.1.200] with 32 bytes of data:
Reply from 196.25.1.200: bytes=32 time=61ms TTL=242
Reply from 196.25.1.200: bytes=32 time=63ms TTL=242
Reply from 196.25.1.200: bytes=32 time=61ms TTL=242
Reply from 196.25.1.200: bytes=32 time=66ms TTL=242
Ping statistics for 196.25.1.200:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 61ms, Maximum = 66ms, Average = 62ms
C:\>ping kalahari.mweb.co.za
Pinging kalahari.mweb.co.za [196.2.33.21] with 32 bytes of data:
Reply from 196.2.33.21: bytes=32 time=39ms TTL=118
Reply from 196.2.33.21: bytes=32 time=42ms TTL=118
Reply from 196.2.33.21: bytes=32 time=44ms TTL=118
Reply from 196.2.33.21: bytes=32 time=47ms TTL=118
Ping statistics for 196.2.33.21:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 39ms, Maximum = 47ms, Average = 43ms
C:\>ping karoo.mweb.co.za
Pinging karoo.mweb.co.za [196.2.128.100] with 32 bytes of data:
Reply from 196.2.128.100: bytes=32 time=65ms TTL=116
Reply from 196.2.128.100: bytes=32 time=67ms TTL=116
Reply from 196.2.128.100: bytes=32 time=65ms TTL=116
Reply from 196.2.128.100: bytes=32 time=69ms TTL=116
Ping statistics for 196.2.128.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 65ms, Maximum = 69ms, Average = 66ms
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SAIX
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C:\>ping saix.co.za
Pinging saix.co.za [196.25.1.200] with 32 bytes of data:
Reply from 196.25.1.200: bytes=32 time=15ms TTL=250
Reply from 196.25.1.200: bytes=32 time=14ms TTL=250
Reply from 196.25.1.200: bytes=32 time=15ms TTL=250
Reply from 196.25.1.200: bytes=32 time=14ms TTL=250
Ping statistics for 196.25.1.200:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 14ms, Maximum = 15ms, Average = 14ms
C:\>ping kalahari.mweb.co.za
Pinging kalahari.mweb.co.za [196.2.33.21] with 32 bytes of data:
Reply from 196.2.33.21: bytes=32 time=39ms TTL=119
Reply from 196.2.33.21: bytes=32 time=40ms TTL=119
Reply from 196.2.33.21: bytes=32 time=40ms TTL=119
Reply from 196.2.33.21: bytes=32 time=38ms TTL=119
Ping statistics for 196.2.33.21:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 38ms, Maximum = 40ms, Average = 39ms
C:\>ping karoo.mweb.co.za
Pinging karoo.mweb.co.za [196.2.128.100] with 32 bytes of data:
Reply from 196.2.128.100: bytes=32 time=67ms TTL=117
Reply from 196.2.128.100: bytes=32 time=68ms TTL=117
Reply from 196.2.128.100: bytes=32 time=66ms TTL=117
Reply from 196.2.128.100: bytes=32 time=65ms TTL=117
Ping statistics for 196.2.128.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 65ms, Maximum = 68ms, Average = 66ms
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As you can see IS seems just as good too mweb; but it seems its slower too saix.