ARIN Region Weekly Routing Report
Routing Analysis
cscora at dev.apnic.net
Thu Jan 4 13:06:06 EST 2001
This is an automated weekly mailing sent to the ARIN RTMA WG e-mail list
describing the state of the Internet Routing Table in North and South America
and Southern Africa. Daily listings are sent to bgp-stats at lists.apnic.net
For a graphical representation, please see http://www.apnic.net/stats/bgp.
If you have any comments please contact Philip Smith <pfs at cisco.com>.
Americas and Southern Africa Report 05 Jan, 2001
Analysis Summary
----------------
BGP routing table entries examined: 102896
Origin ASes present in the Internet Routing Table: 9558
Origin ASes announcing only one prefix: 3371
Transit ASes present in the Internet Routing Table: 1284
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: 13
Non-routable prefixes present in the Routing Table: 0
Prefixes being announced from the IANA Reserved Address blocks: 1
Number of addresses announced to Internet: 1210117316
Equivalent to 72 /8s, 32 /16s and 236 /24s
Percentage of available address space announced: 32.6
Percentage of allocated address space announced: 64.0
Percentage of available address space allocated: 51.0
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 69078
Prefixes being announced from the ARIN address blocks: 46709
ARIN Region origin ASes present in the Internet Routing Table: 5823
ARIN Region origin ASes announcing only one prefix: 1678
ARIN Region transit ASes present in the Internet Routing Table: 618
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 13
Number of ARIN addresses announced to Internet: 172465447
Equivalent to 10 /8s, 71 /16s and 157 /24s
Percentage of available ARIN address space announced: 79.1
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 - 19455
ARIN Address Blocks 63/8, 64/7, 66/8, 199/8, 200/8, 204/6, 208/7 and 216/8
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /19 equiv Description
701 2597 3562 UUNET Technologies, Inc.
1 1020 4595 BBN Planet
7018 898 3041 AT&T
8013 729 71 PSINet Ltd. Canada
1239 686 1637 Sprint ICM-Inria
7046 673 512 UUNET Technologies, Inc.
2548 654 561 Digital Express Group, Inc.
2914 637 1291 Verio, Inc.
174 617 2755 PSINet Inc.
3561 573 1304 Cable & Wireless USA
705 568 36 UUNET Technologies, Inc.
6082 543 66 Management Analysis, Incorpor
2551 518 345 NETCOM On-Line Communication
3549 500 434 Frontier GlobalCenter
3908 449 281 Supernet, Inc.
3602 436 79 Sprint Canada
209 433 561 Qwest
271 433 271 BCnet Backbone
4293 425 54 Cable & Wireless USA
690 390 38 Merit Network
Global Per AS prefix count summary
----------------------------------
ASN No of nets /19 equiv Description
9768 3503 101 PubNet (Korea Telecom)
701 2597 3562 UUNET Technologies, Inc.
1221 2356 1191 Telstra
1 1020 4595 BBN Planet
7018 898 3041 AT&T
8013 729 71 PSINet Ltd. Canada
1239 686 1637 Sprint ICM-Inria
7046 673 512 UUNET Technologies, Inc.
2548 654 561 Digital Express Group, Inc.
2914 637 1291 Verio, Inc.
174 617 2755 PSINet Inc.
3561 573 1304 Cable & Wireless USA
705 568 36 UUNET Technologies, Inc.
6082 543 66 Management Analysis, Incorpor
2551 518 345 NETCOM On-Line Communication
3549 500 434 Frontier GlobalCenter
3908 449 281 Supernet, Inc.
2764 436 128 connect.com.au pty ltd
3602 436 79 Sprint Canada
209 433 561 Qwest
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
65501 PRIVATE 64.21.103.0/24 16890 Network Services, In
2027 UNALLOCATED 150.185.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.185.128.0/18 8143 Publicom Corp.
2027 UNALLOCATED 150.186.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.187.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.188.0.0/16 10530 Interpacket Group, I
2027 UNALLOCATED 150.189.0.0/16 10530 Interpacket Group, I
1877 UNALLOCATED 192.108.196.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.209.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.210.0/24 1880 Stupi, house man's
1877 UNALLOCATED 192.108.214.0/24 1880 Stupi, house man's
5757 UNALLOCATED 192.239.13.0/24 701 UUNET Technologies,
5757 UNALLOCATED 207.19.224.0/24 701 UUNET Technologies,
Advertised IANA Reserved Addresses
----------------------------------
Network Origin AS Description
91.16.23.0/24 11770 Net56
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:22 /9:4 /10:5 /11:9 /12:32
/13:59 /14:195 /15:307 /16:6749 /17:1018 /18:1985
/19:6238 /20:4339 /21:4234 /22:6421 /23:8415 /24:58137
/25:1121 /26:1622 /27:678 /28:209 /29:668 /30:290
/31:1 /32:138
Number of /24s announced per /8 block (Global)
----------------------------------------------
9:2 12:301 15:1 24:623 26:1 32:7
38:8 44:2 53:2 55:1 57:9 61:63
62:121 63:1499 64:1096 65:14 66:56 91:1
128:29 129:181 130:18 131:28 132:9 133:3
134:86 135:7 136:116 137:112 138:189 139:59
140:105 141:19 142:46 143:34 144:93 145:14
146:129 147:89 148:121 149:105 150:23 151:333
152:1038 153:110 154:230 155:60 156:14 157:99
158:52 159:46 160:18 161:55 162:63 163:117
164:106 165:96 166:174 167:73 168:69 169:29
170:191 171:2 192:5366 193:1815 194:2005 195:824
196:381 198:3743 199:3425 200:1778 202:2490 203:5169
204:3632 205:2529 206:2859 207:2933 208:2817 209:3413
210:588 211:192 212:738 213:306 214:7 215:11
216:2635 217:84
End of report
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