Routing Table Report 09:00 +10GMT Sun 27 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 462287
Prefixes after maximum aggregation: 187355
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232639
Total ASes present in the Internet Routing Table: 41103
Prefixes per ASN: 11.25
Origin-only ASes present in the Internet Routing Table: 35297
Origin ASes announcing only one prefix: 16272
Transit ASes present in the Internet Routing Table: 5798
Transit-only ASes present in the Internet Routing Table: 153
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 683
Unregistered ASNs in the Routing Table: 164
Number of 32-bit ASNs allocated by the RIRs: 5262
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 12442
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 849
Number of addresses announced to Internet: 2649094880
Equivalent to 157 /8s, 229 /16s and 250 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 161524
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106769
Total APNIC prefixes after maximum aggregation: 33053
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 108845
Unique aggregates announced from the APNIC address blocks: 46827
APNIC Region origin ASes present in the Internet Routing Table: 4847
APNIC Prefixes per ASN: 22.46
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 810
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2
Number of APNIC addresses announced to Internet: 727769600
Equivalent to 43 /8s, 96 /16s and 226 /24s
Percentage of available APNIC address space announced: 85.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 161569
Total ARIN prefixes after maximum aggregation: 80981
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162184
Unique aggregates announced from the ARIN address blocks: 75778
ARIN Region origin ASes present in the Internet Routing Table: 15836
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 5991
ARIN Region transit ASes present in the Internet Routing Table: 1609
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1072592896
Equivalent to 63 /8s, 238 /16s and 120 /24s
Percentage of available ARIN address space announced: 56.7
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: 117722
Total RIPE prefixes after maximum aggregation: 60926
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 121524
Unique aggregates announced from the RIPE address blocks: 78596
RIPE Region origin ASes present in the Internet Routing Table: 17481
RIPE Prefixes per ASN: 6.95
RIPE Region origin ASes announcing only one prefix: 8293
RIPE Region transit ASes present in the Internet Routing Table: 2793
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656424160
Equivalent to 39 /8s, 32 /16s and 60 /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, 61952-62463, 196608-200191
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: 51687
Total LACNIC prefixes after maximum aggregation: 9716
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 56683
Unique aggregates announced from the LACNIC address blocks: 26681
LACNIC Region origin ASes present in the Internet Routing Table: 2028
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 559
LACNIC Region transit ASes present in the Internet Routing Table: 378
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 140907008
Equivalent to 8 /8s, 102 /16s and 18 /24s
Percentage of available LACNIC address space announced: 84.0
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: 11559
Total AfriNIC prefixes after maximum aggregation: 2557
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12202
Unique aggregates announced from the AfriNIC address blocks: 4042
AfriNIC Region origin ASes present in the Internet Routing Table: 664
AfriNIC Prefixes per ASN: 18.38
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.0
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: 48077312
Equivalent to 2 /8s, 221 /16s and 154 /24s
Percentage of available AfriNIC address space announced: 47.8
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 2716 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
4755 1765 391 186 TATA Communications formerly
9829 1535 1241 45 BSNL National Internet Backbo
9498 1206 309 74 BHARTI Airtel Ltd.
9583 1187 90 513 Sify Limited
7552 1145 1080 13 Vietel Corporation
4808 1102 2030 314 CNCGROUP IP network: China169
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3059 3689 58 BellSouth.net Inc.
22773 2188 2941 140 Cox Communications, Inc.
18566 2060 379 180 Covad Communications
1785 2035 684 131 PaeTec Communications, Inc.
20115 1682 1653 608 Charter Communications
4323 1624 1117 418 Time Warner Telecom
701 1506 11145 781 UUNET Technologies, Inc.
30036 1385 312 578 Mediacom Communications Corp
7018 1346 17795 875 AT&T WorldNet Services
6983 1294 771 579 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1759 544 17 OJSC "Vimpelcom"
34984 1361 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1077 391 824 Akamai Technologies European
31148 1000 44 19 FreeNet ISP
13188 886 99 58 TOV "Bank-Inform"
6830 774 2328 427 UPC Distribution Services
8551 754 370 41 Bezeq International
12479 686 800 49 Uni2 Autonomous System
35228 540 246 16 Avatar Broadband Limited
34744 516 158 54 SC GVM SISTEM 2003 SRL
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3454 1782 89 NET Servicos de Comunicao S.A
10620 2634 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1490 844 20 Global Village Telecom
8151 1332 2833 413 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 815 94 92 Telconet S.A
6147 793 373 27 Telefonica Del Peru
6503 785 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 882 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 409 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
36992 226 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3454 1782 89 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
17974 2716 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2634 427 234 TVCABLE BOGOTA
22773 2188 2941 140 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
18566 2060 379 180 Covad Communications
1785 2035 684 131 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3059 3001 BellSouth.net Inc.
17974 2716 2627 PT TELEKOMUNIKASI INDONESIA
10620 2634 2400 TVCABLE BOGOTA
22773 2188 2048 Cox Communications, Inc.
7545 2084 1973 TPG Internet Pty Ltd
1785 2035 1904 PaeTec Communications, Inc.
18566 2060 1880 Covad Communications
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1759 1742 OJSC "Vimpelcom"
4755 1765 1579 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/us/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 /8:16 /9:11 /10:31 /11:92 /12:253
/13:475 /14:907 /15:1611 /16:12775 /17:6618 /18:11000
/19:22643 /20:32410 /21:35032 /22:49290 /23:42716 /24:246065
/25:46 /26:37 /27:25 /28:37 /29:28 /30:140
/31:11 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2013 2060 Covad Communications
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3059 BellSouth.net Inc.
8402 1468 1759 OJSC "Vimpelcom"
22773 1454 2188 Cox Communications, Inc.
30036 1233 1385 Mediacom Communications Corp
11492 1197 1238 Cable One
1785 1085 2035 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 965 1241 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:857 2:793 3:3 4:17 5:998 6:20
8:610 12:1889 13:3 14:858 15:11 16:3
17:17 18:19 20:21 23:495 24:1736 27:1589
31:1481 32:40 33:2 34:5 36:83 37:1837
38:910 39:5 40:181 41:3160 42:247 44:13
46:2008 47:8 49:680 50:823 52:12 54:39
55:5 56:2 57:26 58:1077 59:568 60:357
61:1454 62:1203 63:1978 64:4539 65:2338 66:4134
67:2120 68:1106 69:3266 70:871 71:491 72:2018
74:2556 75:328 76:296 77:1158 78:1056 79:651
80:1292 81:1015 82:657 83:635 84:580 85:1241
86:382 87:1009 88:563 89:1610 90:155 91:5652
92:616 93:1590 94:2023 95:1598 96:505 97:344
98:1043 99:39 100:30 101:362 103:3450 105:525
106:143 107:211 108:508 109:1881 110:945 111:1094
112:580 113:807 114:722 115:982 116:963 117:805
118:1172 119:1255 120:361 121:719 122:1783 123:1229
124:1287 125:1433 128:598 129:212 130:314 131:654
132:341 133:158 134:542 135:67 136:275 137:264
138:350 139:170 140:170 141:321 142:515 143:407
144:496 145:89 146:515 147:391 148:696 149:355
150:155 151:592 152:410 153:202 154:49 155:488
156:283 157:374 158:280 159:684 160:356 161:448
162:809 163:206 164:631 165:566 166:257 167:625
168:1038 169:124 170:1119 171:181 172:25 173:1605
174:671 175:492 176:1260 177:2331 178:1945 179:193
180:1573 181:779 182:1329 183:452 184:664 185:946
186:2647 187:1494 188:1838 189:1285 190:7120 192:7051
193:5395 194:4036 195:3313 196:1311 197:1004 198:4674
199:5449 200:6047 201:2515 202:8769 203:8809 204:4453
205:2607 206:2749 207:2792 208:4000 209:3632 210:2897
211:1558 212:2140 213:1982 214:893 215:91 216:5335
217:1691 218:613 219:309 220:1276 221:566 222:325
223:490
End of report