4. Ping.in5. Pingoat.com
- Ping-in
- Ping-in
- Auto Pingler
- Ping Myblog
- Total Ping
- Pingler
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- Pingomatic
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- Blogpingtool
- Tehnorati Ping
- My Pagerank Ping
- Bunjkar Ping
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- Ping ke google
- Ping ke Pingrss
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- Ping blog ke blogbuzzer