Transcript Internet Routing Table Analysis Update Philip Smith [email protected] APNIC Routing SIG, APRICOT, Kuala Lumpur, February 2001 Presentation_ID © 1998, Cisco Systems, Inc.

Internet Routing Table
Analysis Update
Philip Smith
[email protected]
APNIC Routing SIG, APRICOT,
Kuala Lumpur, February 2001
Presentation_ID
© 1998, Cisco Systems, Inc.
1
Internet Routing Table Analysis
• New:
Unassigned but announced ASNs flagged
/24 announcements from each /8 block
• Full Stats on APNIC web page
http://www.apnic.net/stats/bgp
APRICOT 2001
© 2000, The Internet
2
16th February summary
Global summary
BGP routing table entries examined:
101368
Origin ASes present in the Internet Routing Table:
9972
Origin ASes announcing only one prefix:
3547
Transit ASes present in the Internet Routing Table:
1315
Average AS path length visible in the Internet Routing Table:
5.3
Max AS path length visible:
18
Illegal AS announcements present in the Routing Table:
18
Non-routable prefixes present in the Routing Table:
0
Prefixes being announced from the IANA Reserved Address blocks:
3
Number of addresses announced to Internet:
1226430539
Equivalent to 71 /8s, 84 /16s and 50 /24s
Percentage of available address space announced:
33.1
Percentage of allocated address space announced:
64.9
Percentage of available address space allocated:
51.0
APRICOT 2001
© 2000, The Internet
3
16th February summary
APNIC region summary
Prefixes being announced by APNIC Region ASes:
15764
Prefixes being announced from the APNIC address blocks:
14074
APNIC Region origin ASes present in the Internet Routing Table: 1151
APNIC Region origin ASes announcing only one prefix:
416
APNIC Region transit ASes present in the Internet Routing Table: 189
Average APNIC Region AS path length visible:
5.0
Max APNIC Region AS path length visible:
15
Number of APNIC addresses announced to Internet:
70018996
Equivalent to 3 /8s, 218 /16s and 108 /24s
Percentage of available APNIC address space announced:
68.8
APNIC AS Blocks
4608 - 4864, 7467 - 7722, 9216 - 10239,
17408 – 18431
APNIC Address Blocks
61/8, 202/7, 210/7 and 218/8
APRICOT 2001
© 2000, The Internet
4
16th February summary
ARIN region summary
Prefixes being announced by ARIN Region ASes:
70049
Prefixes being announced from the ARIN address blocks:
47710
ARIN Region origin ASes present in the Internet Routing Table:
6078
ARIN Region origin ASes announcing only one prefix:
1760
ARIN Region transit ASes present in the Internet Routing Table:
626
Average ARIN Region AS path length visible:
5.2
Max ARIN Region AS path length visible:
13
Number of ARIN addresses announced to Internet:
177616408
Equivalent to 10 /8s, 80 /16s and 78 /24s
Percentage of available ARIN address space announced:
81.4
ARIN AS Blocks
1 - 1876, 1902 - 2042, 2044 - 2046, 2048 – 2106
2138 - 2584, 2615 - 2772, 2823 - 2829, 2880 – 3153
3354 - 4607, 4865 - 5119, 5632 - 6655, 6912 – 7466
7723 - 8191, 10240 - 12287, 13312 – 15359
16384 - 17407, 18432 – 20479
ARIN Address Blocks
63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7
and 216/8
APRICOT 2001
© 2000, The Internet
5
16th February summary
RIPE NCC region summary
Prefixes being announced by RIPE Region ASes:
15537
Prefixes being announced from the RIPE address blocks:
12279
RIPE Region origin ASes present in the Internet Routing Table:
2739
RIPE Region origin ASes announcing only one prefix:
1367
RIPE Region transit ASes present in the Internet Routing Table:
498
Average RIPE Region AS path length visible:
5.9
Max RIPE Region AS path length visible:
18
Number of RIPE addresses announced to Internet:
106915490
Equivalent to 5 /8s, 73 /16s and 100 /24s
Percentage of available RIPE address space announced:
91.0
RIPE AS Blocks
1877 - 1901, 2042, 2047, 2107 - 2136, 2585 – 2614
2773 - 2822, 2830 - 2879, 3154 - 3353, 5377 – 5631
6656 - 6911, 8192 - 9215, 12288 - 13311,
15360 – 16383
RIPE Address Blocks
62/8, 193/8, 194/7, 212/7 and 217/8
APRICOT 2001
© 2000, The Internet
6
APNIC Region per AS prefix count summary
ASN
1221
2764
2907
703
4755
4740
4618
9269
7545
4538
7657
7474
4763
4134
4766
3462
4786
7586
7539
7496
APRICOT 2001
No of nets
2423
422
376
370
303
255
211
209
204
203
203
194
187
173
171
137
134
132
129
128
© 2000, The Internet
/19 equiv
1190
139
909
244
108
16
56
24
7
973
12
87
43
547
619
205
8
10
86
9
Description
Telstra
connect.com.au pty ltd
SINET Japan
UUNET Technologies, Inc.
VSNL India
Ozemail
Internet Thailand
Hong Kong CTI
TPG Internet Pty Ltd
China Education and Research
The Internet Group Limited
Optus Communications
Telstra New Zealand
Data Communications Bureau
KORnet Powered BY Korea Telec
Data Communications Institute
NetConnect Communications Pty
Paradox Digital Pty. Ltd
Delegated to TWNIC for subseq
Power Up
7
ARIN Region per AS prefix count summary
ASN
701
1
7018
7046
705
1239
8013
2914
174
3561
3549
2551
4293
209
271
2548
3908
8151
6082
11371
APRICOT 2001
No of nets
2691
1020
924
742
692
685
618
613
603
570
542
500
475
463
437
395
393
361
359
324
© 2000, The Internet
/19 equiv
3652
4583
3025
551
40
1580
71
1272
2810
1299
506
345
58
656
273
523
280
193
63
49
Description
UUNET Technologies, Inc.
BBN Planet
AT&T
UUNET Technologies, Inc.
UUNET Technologies, Inc.
Sprint ICM-Inria
PSINet Ltd. Canada
Verio, Inc.
PSINet Inc.
Cable & Wireless USA
Frontier GlobalCenter
NETCOM On-Line Communication
Cable & Wireless USA
Qwest
BCnet Backbone
Digital Express Group, Inc.
Supernet, Inc.
UniNet S.A. de C.V.
Management Analysis, Incorpor
Rhythms NetConnections
8
RIPE NCC Region per AS prefix count summary
ASN
702
3301
1257
1270
3215
680
719
786
5515
3320
1849
1942
517
2856
3303
5400
1901
1267
2830
3269
APRICOT 2001
No of nets
417
401
317
270
268
200
191
184
168
167
152
140
135
133
129
111
104
99
87
86
© 2000, The Internet
/19 equiv
606
322
240
433
183
888
146
960
318
462
271
53
137
390
277
31
77
986
30
275
Description
UUNET Technologies, Inc.
TeliaNet Sweden
Swipnet AB
UUNET Germany
RAIN
Deutschef Forschurgsnetz
LANLINK
JANET IP Service
Sonera Finland
Deutsche Telekom AG
UUNET UK (formerly PIPEX)
GIP Renater
Xlink
BTnet UK Regional network
Swisscom
Concert Internet Plus Europea
EUnet Austria
IUnet S.p.A
UUNET UK (formerly PIPEX)
TELECOM ITALIA
9
Global per AS prefix count summary
ASN
701
1221
1
7018
7046
705
1239
8013
2914
174
3561
3549
2551
4293
209
271
2764
702
3301
2548
APRICOT 2001
No of nets
2691
2423
1020
924
742
692
685
618
613
603
570
542
500
475
463
437
422
417
401
395
© 2000, The Internet
/19 equiv
3652
1190
4583
3025
551
40
1580
71
1272
2810
1299
506
345
58
656
273
139
606
322
523
Description
UUNET Technologies, Inc.
Telstra
BBN Planet
AT&T
UUNET Technologies, Inc.
UUNET Technologies, Inc.
Sprint ICM-Inria
PSINet Ltd. Canada
Verio, Inc.
PSINet Inc.
Cable & Wireless USA
Frontier GlobalCenter
NETCOM On-Line Communication
Cable & Wireless USA
Qwest
BCnet Backbone
connect.com.au pty ltd
UUNET Technologies, Inc.
TeliaNet Sweden
Digital Express Group, Inc.
10
List of Illegal AS's
Bad AS
2027
2027
2027
2027
2027
2027
1877
1877
1877
1877
5757
5757
65500
65400
Designation
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
UNALLOCATED
PRIVATE
PRIVATE
Network
150.185.0.0/16
150.185.128.0/18
150.186.0.0/16
150.187.0.0/16
150.188.0.0/16
150.189.0.0/16
192.108.196.0/24
192.108.209.0/24
192.108.210.0/24
192.108.214.0/24
192.239.13.0/24
207.19.224.0/24
203.166.86.0/24
213.161.78.0/24
Transit AS
10530
8143
10530
10530
10530
10530
1800
1880
1880
1800
701
701
10084
6461
Description
Interpacket Group,
Publicom Corp.
Interpacket Group,
Interpacket Group
Interpacket Group
Interpacket Group
SPRINT
Stupi, house man's
Stupi, house man's
SPRINT
UUNET Technologies,
UUNET Technologies,
Western Australian I
AboveNet Communicati
UUNET are aware of AS5757 and will resolve ASAP
RIPE NCC and Peter are aware of 1877 and will fix ASAP
ARIN are aware of AS2027 - no more news
APRICOT 2001
© 2000, The Internet
11
Advertised IANA Reserved Addresses
Network
39.96.40.224/30
91.16.23.0/24
103.22.7.0/24
Origin AS
14408
11770
9768
Description
iCAIR
Net56
PubNet (Korea Telecom)
Number of prefixes announced by prefix length
/1:0
/7:0
/13:62
/19:6352
/25:273
/31:0
APRICOT 2001
/2:0
/8:22
/14:196
/20:4667
/26:346
/32:135
© 2000, The Internet
/3:0
/9:4
/15:308
/21:4339
/27:149
/4:0
/10:5
/16:6865
/22:6531
/28:108
/5:0
/11:10
/17:1047
/23:8537
/29:103
/6:0
/12:32
/18:2047
/24:59027
/30:203
12
Number of /24s announced by per /8
9:3
26:1
57:9
66:118
131:31
137:144
143:39
149:117
155:73
161:56
167:87
193:1831
200:1817
207:3071
213:300
APRICOT 2001
12:313
32:7
61:44
91:1
132:10
138:189
144:189
150:25
156:15
162:60
168:72
194:2016
202:2402
208:2948
214:7
© 2000, The Internet
13:10
38:8
62:121
103:1
133:3
139:55
145:9
151:333
157:109
163:130
169:31
195:779
203:5236
209:3395
215:11
15:1
44:3
63:1749
128:42
134:104
140:110
146:133
152:973
158:56
164:131
170:203
196:391
204:3728
210:395
216:2731
17:1
53:2
64:1307
129:173
135:8
141:44
147:55
153:35
159:61
165:107
171:2
198:3750
205:2496
211:141
217:114
24:661
55:1
65:84
130:20
136:117
142:55
148:121
154:77
160:16
166:174
192:5403
199:3432
206:2765
212:829
13
BGP Table Growth
Korea Telecom
leak 3000 prefixes
110000
Telstra withdraw
203.0/10
100000
Prefixes
90000
80000
70000
60000
50000
APRICOT 2001
© 2000, The Internet
Mar
1999
Time
Feb
2001
14
AS Announcement Growth
10000
What happened here??
250 ASes disappear
9000
ASNs
8000
7000
6000
5000
4000
APRICOT 2001
© 2000, The Internet
Mar
1999
Time
Feb
2001
15
RIPE vs APNIC prefixes announced
20000
18000
Prefixes
16000
14000
12000
RIPE
10000
AsiaPac overtakes
Europe/ME/NAfrica
APNIC
8000
6000
APRICOT 2001
© 2000, The Internet
Mar
1999
Time
Feb
2001
16
Final Slide...
• What other stats would be interesting?
• Any comments/discussion?
APRICOT 2001
© 2000, The Internet
17