* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 22 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 450683
Prefixes after maximum aggregation: 184089
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 227319
Total ASes present in the Internet Routing Table: 40465
Prefixes per ASN: 11.14
Origin-only ASes present in the Internet Routing Table: 34771
Origin ASes announcing only one prefix: 16190
Transit ASes present in the Internet Routing Table: 5686
Transit-only ASes present in the Internet Routing Table: 129
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 414161
Unregistered ASNs in the Routing Table: 34477
Number of 32-bit ASNs allocated by the RIRs: 4809
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10746
Special use prefixes present in the Routing Table: 31
Prefixes being announced from unallocated address space: 232
Number of addresses announced to Internet: 2663205888
Equivalent to 158 /8s, 189 /16s and 76 /24s
Percentage of available address space announced: 71.9
Percentage of allocated address space announced: 71.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.6
Total number of prefixes smaller than registry allocations: 156066
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104748
Total APNIC prefixes after maximum aggregation: 32252
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 107568
Unique aggregates announced from the APNIC address blocks: 46031
APNIC Region origin ASes present in the Internet Routing Table: 4805
APNIC Prefixes per ASN: 22.39
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 787
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 724182272
Equivalent to 43 /8s, 42 /16s and 37 /24s
Percentage of available APNIC address space announced: 84.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 157476
Total ARIN prefixes after maximum aggregation: 79881
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 158182
Unique aggregates announced from the ARIN address blocks: 73979
ARIN Region origin ASes present in the Internet Routing Table: 15681
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5992
ARIN Region transit ASes present in the Internet Routing Table: 1579
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1081643008
Equivalent to 64 /8s, 120 /16s and 144 /24s
Percentage of available ARIN address space announced: 57.2
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 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, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 118142
Total RIPE prefixes after maximum aggregation: 60186
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121100
Unique aggregates announced from the RIPE address blocks: 78332
RIPE Region origin ASes present in the Internet Routing Table: 17232
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8187
RIPE Region transit ASes present in the Internet Routing Table: 2787
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 21
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656290048
Equivalent to 39 /8s, 30 /16s and 49 /24s
Percentage of available RIPE address space announced: 95.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 196608-199679
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 47665
Total LACNIC prefixes after maximum aggregation: 9214
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 51863
Unique aggregates announced from the LACNIC address blocks: 24823
LACNIC Region origin ASes present in the Internet Routing Table: 1944
LACNIC Prefixes per ASN: 26.68
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 341
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 132240640
Equivalent to 7 /8s, 225 /16s and 213 /24s
Percentage of available LACNIC address space announced: 78.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 11169
Total AfriNIC prefixes after maximum aggregation: 2515
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 11737
Unique aggregates announced from the AfriNIC address blocks: 3937
AfriNIC Region origin ASes present in the Internet Routing Table: 638
AfriNIC Prefixes per ASN: 18.40
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 46249984
Equivalent to 2 /8s, 193 /16s and 184 /24s
Percentage of available AfriNIC address space announced: 45.9
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
17974 2555 855 91 >>UNKNOWN<<
4766 2130 11553 623 >>UNKNOWN<<
7545 2005 320 109 TPG Telecom Limited
4755 1774 394 204 >>UNKNOWN<<
9829 1511 1205 40 >>UNKNOWN<<
9583 1279 98 539 >>UNKNOWN<<
7552 1138 1080 13 >>UNKNOWN<<
9498 1138 309 72 BHARTI Airtel Ltd.
24560 1077 394 164 >>UNKNOWN<<
4808 1060 2017 307 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 2998 3691 73 BellSouth.net Inc.
18566 2062 382 183 Covad Communications Co.
1785 1992 678 125 >>UNKNOWN<<
22773 1983 2927 123 >>UNKNOWN<<
20115 1665 1617 616 >>UNKNOWN<<
4323 1625 1153 403 >>UNKNOWN<<
701 1532 11143 801 >>UNKNOWN<<
30036 1335 301 647 >>UNKNOWN<<
7018 1316 11076 847 >>UNKNOWN<<
11492 1220 217 360 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1628 544 16 >>UNKNOWN<<
34984 1273 241 217 >>UNKNOWN<<
2118 1069 97 13 >>UNKNOWN<<
20940 881 308 693 >>UNKNOWN<<
13188 825 98 79 >>UNKNOWN<<
8551 819 370 44 >>UNKNOWN<<
31148 805 40 25 >>UNKNOWN<<
6830 765 2376 439 >>UNKNOWN<<
12479 684 789 57 >>UNKNOWN<<
34744 675 172 76 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 2802 1558 107 >>UNKNOWN<<
10620 2661 418 209 >>UNKNOWN<<
7303 1732 1155 221 >>UNKNOWN<<
8151 1242 2717 380 >>UNKNOWN<<
18881 1002 844 20 >>UNKNOWN<<
6503 862 435 66 >>UNKNOWN<<
27947 792 89 107 >>UNKNOWN<<
3816 719 307 87 >>UNKNOWN<<
7738 698 1370 35 >>UNKNOWN<<
11172 613 103 66 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1237 80 4 >>UNKNOWN<<
24863 883 274 30 >>UNKNOWN<<
6713 542 617 25 >>UNKNOWN<<
8452 464 956 9 >>UNKNOWN<<
24835 344 80 8 >>UNKNOWN<<
3741 261 922 219 >>UNKNOWN<<
15706 222 32 6 >>UNKNOWN<<
37054 211 11 5 >>UNKNOWN<<
29571 207 17 12 >>UNKNOWN<<
36992 198 527 21 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 2998 3691 73 BellSouth.net Inc.
28573 2802 1558 107 >>UNKNOWN<<
10620 2661 418 209 >>UNKNOWN<<
17974 2555 855 91 >>UNKNOWN<<
4766 2130 11553 623 >>UNKNOWN<<
18566 2062 382 183 Covad Communications Co.
7545 2005 320 109 TPG Telecom Limited
1785 1992 678 125 >>UNKNOWN<<
22773 1983 2927 123 >>UNKNOWN<<
4755 1774 394 204 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2802 2695 >>UNKNOWN<<
17974 2555 2464 >>UNKNOWN<<
10620 2661 2452 >>UNKNOWN<<
7545 2005 1896 TPG Telecom Limited
18566 2062 1879 Covad Communications Co.
1785 1992 1867 >>UNKNOWN<<
22773 1983 1860 >>UNKNOWN<<
8402 1628 1612 >>UNKNOWN<<
4755 1774 1570 >>UNKNOWN<<
7303 1732 1511 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
38669 UNALLOCATED 1.11.96.0/22 38091 KRNIC
38669 UNALLOCATED 1.11.100.0/22 38091 KRNIC
38669 UNALLOCATED 1.11.104.0/22 38091 KRNIC
38669 UNALLOCATED 1.11.108.0/22 38091 KRNIC
38669 UNALLOCATED 1.11.112.0/22 38091 KRNIC
38669 UNALLOCATED 1.11.116.0/22 38091 KRNIC
38669 UNALLOCATED 1.11.120.0/22 38091 KRNIC
38669 UNALLOCATED 1.11.124.0/22 38091 KRNIC
17839 UNALLOCATED 1.11.128.0/17 38091 KRNIC
18245 UNALLOCATED 1.12.0.0/14 4847 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Internet Assigned Numbers Aut
128.0.0.0/24 2876 >>UNKNOWN<<
128.0.16.0/21 43568 >>UNKNOWN<<
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.46.0/23 39743 >>UNKNOWN<<
128.0.53.0/24 60993 >>UNKNOWN<<
128.0.54.0/24 60972 >>UNKNOWN<<
128.0.55.0/24 48571 efectRO SRL
128.0.57.0/24 60993 >>UNKNOWN<<
128.0.58.0/23 9050 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 >>UNKNOWN<<
62.61.221.0/24 24974 >>UNKNOWN<<
64.185.224.0/24 27431 >>UNKNOWN<<
64.185.225.0/24 27431 >>UNKNOWN<<
64.185.226.0/24 27431 >>UNKNOWN<<
64.185.227.0/24 27431 >>UNKNOWN<<
64.185.228.0/24 27431 >>UNKNOWN<<
64.185.229.0/24 27431 >>UNKNOWN<<
64.185.230.0/24 27431 >>UNKNOWN<<
64.185.231.0/24 27431 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:18 /9:11 /10:31 /11:91 /12:251
/13:481 /14:898 /15:1602 /16:12674 /17:6650 /18:11113
/19:22158 /20:32072 /21:34321 /22:47186 /23:41878 /24:238641
/25:7 /26:11 /27:12 /28:134 /29:201 /30:107
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2013 2062 Covad Communications Co.
6389 1721 2998 BellSouth.net Inc.
8402 1327 1628 >>UNKNOWN<<
22773 1289 1983 >>UNKNOWN<<
36998 1231 1237 >>UNKNOWN<<
30036 1202 1335 >>UNKNOWN<<
11492 1182 1220 >>UNKNOWN<<
1785 1062 1992 >>UNKNOWN<<
6983 1011 1141 ITC^Deltacom
10620 992 2661 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:793 2:807 3:3 4:16 5:800 6:15
8:551 12:1924 13:3 14:828 15:11 16:3
17:10 20:17 23:280 24:1763 27:1486 31:1266
32:38 33:2 34:5 36:47 37:1869 38:873
39:2 40:170 41:2914 42:197 44:7 46:1896
47:2 49:1322 50:725 52:12 54:35 55:6
57:30 58:1081 59:603 60:312 61:1473 62:1127
63:2023 64:4303 65:2152 66:4169 67:2070 68:1074
69:3252 70:855 71:487 72:1913 74:2473 75:321
76:303 77:1093 78:1026 79:612 80:1258 81:1010
82:632 83:582 84:539 85:1165 86:436 87:993
88:541 89:1748 90:147 91:5515 92:606 93:1725
94:1876 95:1667 96:515 97:346 98:1010 99:39
100:29 101:328 103:2834 105:517 106:142 107:207
108:493 109:1836 110:900 111:1057 112:546 113:812
114:705 115:1030 116:940 117:788 118:1094 119:1273
120:380 121:841 122:1754 123:1214 124:1342 125:1374
128:603 129:201 130:297 131:654 132:347 133:155
134:258 135:67 136:222 137:241 138:350 139:189
140:183 141:317 142:514 143:379 144:497 145:94
146:498 147:370 148:657 149:347 150:149 151:533
152:419 153:189 154:23 155:410 156:267 157:349
158:279 159:643 160:345 161:425 162:450 163:203
164:597 165:492 166:243 167:596 168:1032 169:129
170:1052 171:181 172:21 173:1566 174:539 175:456
176:978 177:2045 178:1856 179:44 180:1448 181:436
182:1220 183:384 184:656 185:554 186:2229 187:1281
188:2151 189:1281 190:6476 192:6676 193:5664 194:4608
195:3440 196:1369 197:1015 198:4437 199:5292 200:5967
201:2177 202:8683 203:8792 204:4442 205:2546 206:2706
207:2776 208:4047 209:3671 210:2839 211:1510 212:2221
213:1969 214:921 215:99 216:5293 217:1620 218:607
219:340 220:1278 221:554 222:323 223:456
End of report
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