facebook有台灣節點了？

昨天用hinet ping facebook時，
發現request time變得很低，
traceroute一下發現似乎在台灣也有節點了?


ping www.facebook.com
Ping star.c10r.facebook.com [31.13.87.16] (使用 32 位元組的資料):
回覆自 31.13.87.16: 位元組=32 時間=12ms TTL=89
回覆自 31.13.87.16: 位元組=32 時間=12ms TTL=89
回覆自 31.13.87.16: 位元組=32 時間=12ms TTL=89
回覆自 31.13.87.16: 位元組=32 時間=12ms TTL=89


在上限 30 個躍點上
追蹤 star.c10r.facebook.com [31.13.87.16] 的路由:

3 12 ms 15 ms 15 ms skc1-3011.hinet.net [220.128.24.222]
4 15 ms 15 ms 15 ms TPDT-3011.hinet.net [220.128.24.2]
5 12 ms 14 ms 12 ms TCHN-3111.hinet.net [220.128.1.1]
6 12 ms 12 ms 12 ms 203-75-228-33.HINET-IP.hinet.net [203.75.228.33]

7 12 ms 12 ms 12 ms 204.15.23.47
8 12 ms 12 ms 12 ms edge-star-shv-02-tpe1.facebook.com [31.13.87.16]


追蹤完成。





EBIX也是國內連上

http://www.ebix.net.tw/cgi-bin/traceroute.pl

TraceRoute to www.facebook.com 1 router (203.79.224.254) 0.494 ms 0.346 ms 0.226 ms
2 192.168.125.3 (192.168.125.3) 1.209 ms 1.184 ms 0.959 ms
3 203.79.255.65 (203.79.255.65) 0.996 ms 0.452 ms 0.470 ms
4 211.76.96.126 (211.76.96.126) 0.472 ms 211.76.96.254 (211.76.96.254) 0.846 ms 211.76.96.126 (211.76.96.126) 0.358 ms
5 ge33.pa_c124_1.twgate.net (203.160.228.125) 1.347 ms 1.051 ms 1.215 ms
6 203.78.181.237 (203.78.181.237) 0.971 ms 0.997 ms 0.988 ms
7 203-163-222-13-static.tpix.net.tw (203.163.222.13) 0.958 ms 1.212 ms 0.983 ms
8 204.15.22.215 (204.15.22.215) 1.213 ms 1.507 ms 1.468 ms
9 edge-star-shv-01-tpe1.facebook.com (31.13.87.1) 1.463 ms 0.964 ms 0.969 ms



seednet就比較奇怪，用網站測試，似乎是跑出國？

traceroute to star.c10r.facebook.com (31.13.87.16), 25 hops max, 44 byte packets
1 139.175.55.3 (139.175.55.3) 0.748 ms 0.751 ms 0.668 ms
2 R56-202 (139.175.56.202) 0.268 ms 0.283 ms 0.264 ms
3 R58-157 (139.175.58.157) 0.299 ms R58-201 (139.175.58.201) 0.299 ms 0.330 ms
4 R59-194 (139.175.59.194) 0.384 ms h118-192-72-155 (192.72.155.118) 48.943 ms 0.373 ms
5 ae4.br01.tpe1.tfbnw.net (103.4.96.186) 51.506 ms 51.488 ms 51.490 ms
6 204.15.23.47 (204.15.23.47) 54.185 ms 54.331 ms 54.207 ms
7 edge-star-shv-02-tpe1.facebook.com (31.13.87.16) 53.961 ms 53.995 ms 54.035 ms



但我用一條低速ADSL測試，看起來又不一樣，
比較像是在國內連上

在上限 30 個躍點上
追蹤 star.c10r.facebook.com [31.13.87.16] 的路由:

1 43 ms 42 ms 42 ms 59-104-163-1.adsl.dynamic.seed.net.tw [59.104.16
3.1]
2 42 ms 49 ms 42 ms h253-192-72-85.seed.net.tw [192.72.85.253]
3 43 ms 42 ms 42 ms h13-192-72-154.seed.net.tw [192.72.154.13]
4 46 ms 45 ms 48 ms R57-45.seed.net.tw [139.175.57.45]
5 48 ms 48 ms 49 ms R56-26.seed.net.tw [139.175.56.26]
6 49 ms 48 ms 48 ms R58-193.seed.net.tw [139.175.58.193]
7 47 ms 48 ms 49 ms R59-194.seed.net.tw [139.175.59.194]
8 49 ms 47 ms 49 ms ae4.br01.tpe1.tfbnw.net [103.4.96.186]
9 48 ms 49 ms 48 ms 204.15.23.47
10 48 ms 48 ms 48 ms edge-star-shv-02-tpe1.facebook.com [31.13.87.16]


追蹤完成。



學網不知道是沒互聯的關係還是怎樣，
跑去香港進FB後再回來

traceroute to www.facebook.com (31.13.87.1), 30 hops max, 40 byte packets
4 bb-MOE-TWAREN.TANet.edu.tw (192.83.196.111) 12.651 ms 24.622 ms 9.597 ms
5 202.169.174.46 (202.169.174.46) 26.585 ms 12.618 ms 26.556 ms
6 202.169.174.154 (202.169.174.154) 93.568 ms 202.169.174.145 (202.169.174.145) 35.408 ms 202.169.174.154 (202.169.174.154) 43.751 ms
7 facebook-10G.hkix.net (202.40.161.110) 31.863 ms 30.494 ms 30.965 ms
8 ae11.bb01.hkg1.tfbnw.net (31.13.28.114) 30.863 ms 53.000 ms 36.238 ms
9 ae18.br01.nrt1.tfbnw.net (74.119.77.109) 62.619 ms 75.168 ms 62.610 ms
10 ae0.br01.tpe1.tfbnw.net (204.15.21.245) 84.770 ms 68.222 ms 68.715 ms
11 204.15.22.215 (204.15.22.215) 61.568 ms 77.140 ms 63.793 ms
12 edge-star-shv-01-tpe1.facebook.com (31.13.87.1) 61.524 ms 65.975 ms 98.940 ms