* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Sat 26 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 462960
Prefixes after maximum aggregation: 187737
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232972
Total ASes present in the Internet Routing Table: 41111
Prefixes per ASN: 11.26
Origin-only ASes present in the Internet Routing Table: 35299
Origin ASes announcing only one prefix: 16285
Transit ASes present in the Internet Routing Table: 5805
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: 687
Unregistered ASNs in the Routing Table: 167
Number of 32-bit ASNs allocated by the RIRs: 5249
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12419
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 847
Number of addresses announced to Internet: 2649379040
Equivalent to 157 /8s, 234 /16s and 80 /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: 161811
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106929
Total APNIC prefixes after maximum aggregation: 33141
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109013
Unique aggregates announced from the APNIC address blocks: 46825
APNIC Region origin ASes present in the Internet Routing Table: 4849
APNIC Prefixes per ASN: 22.48
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 813
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 727889664
Equivalent to 43 /8s, 98 /16s and 183 /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: 161604
Total ARIN prefixes after maximum aggregation: 81031
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162219
Unique aggregates announced from the ARIN address blocks: 75831
ARIN Region origin ASes present in the Internet Routing Table: 15833
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 5997
ARIN Region transit ASes present in the Internet Routing Table: 1612
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: 1072546048
Equivalent to 63 /8s, 237 /16s and 193 /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: 117974
Total RIPE prefixes after maximum aggregation: 61165
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 121759
Unique aggregates announced from the RIPE address blocks: 78874
RIPE Region origin ASes present in the Internet Routing Table: 17487
RIPE Prefixes per ASN: 6.96
RIPE Region origin ASes announcing only one prefix: 8296
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: 656532960
Equivalent to 39 /8s, 33 /16s and 229 /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: 51903
Total LACNIC prefixes after maximum aggregation: 9723
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 56885
Unique aggregates announced from the LACNIC address blocks: 26730
LACNIC Region origin ASes present in the Internet Routing Table: 2029
LACNIC Prefixes per ASN: 28.04
LACNIC Region origin ASes announcing only one prefix: 560
LACNIC Region transit ASes present in the Internet Routing Table: 380
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: 141024000
Equivalent to 8 /8s, 103 /16s and 219 /24s
Percentage of available LACNIC address space announced: 84.1
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: 11589
Total AfriNIC prefixes after maximum aggregation: 2553
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12237
Unique aggregates announced from the AfriNIC address blocks: 3999
AfriNIC Region origin ASes present in the Internet Routing Table: 665
AfriNIC Prefixes per ASN: 18.40
AfriNIC Region origin ASes announcing only one prefix: 197
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 48064512
Equivalent to 2 /8s, 221 /16s and 104 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2085 319 112 TPG Internet Pty Ltd
4755 1765 391 186 TATA Communications formerly
9829 1557 1241 45 BSNL National Internet Backbo
9498 1206 309 74 BHARTI Airtel Ltd.
9583 1187 90 513 Sify Limited
7552 1154 1080 13 Vietel Corporation
4808 1101 2028 313 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 613 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 1767 544 17 OJSC "Vimpelcom"
34984 1361 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1070 391 819 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 3458 1780 88 NET Servicos de Comunicao S.A
10620 2629 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1490 844 20 Global Village Telecom
8151 1334 2825 416 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 817 94 93 Telconet S.A
6147 789 373 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 1864 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 221 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 3458 1780 88 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
17974 2716 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2629 427 234 TVCABLE BOGOTA
22773 2188 2941 140 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2085 319 112 TPG Internet Pty Ltd
18566 2060 379 180 Covad Communications
1785 2035 684 131 PaeTec Communications, Inc.
36998 1864 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 2629 2395 TVCABLE BOGOTA
22773 2188 2048 Cox Communications, Inc.
7545 2085 1973 TPG Internet Pty Ltd
1785 2035 1904 PaeTec Communications, Inc.
18566 2060 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1767 1750 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 /15:1612 /16:12773 /17:6621 /18:10994
/19:22671 /20:32466 /21:35103 /22:49315 /23:42832 /24:246446
/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 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3059 BellSouth.net Inc.
8402 1472 1767 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)
----------------------------------------------
1:853 2:803 3:3 4:17 5:998 6:20
8:612 12:1887 13:3 14:858 15:11 16:3
17:17 18:19 20:21 23:495 24:1733 27:1601
31:1481 32:40 33:2 34:5 36:82 37:1837
38:913 39:4 40:181 41:3171 42:247 44:13
46:2021 47:8 49:681 50:822 52:12 54:39
55:6 56:2 57:26 58:1077 59:569 60:357
61:1457 62:1201 63:1975 64:4540 65:2337 66:4138
67:2113 68:1103 69:3270 70:869 71:491 72:2017
74:2555 75:328 76:297 77:1163 78:1051 79:655
80:1278 81:1012 82:657 83:635 84:583 85:1239
86:415 87:1009 88:563 89:1650 90:155 91:5646
92:618 93:1593 94:2024 95:1596 96:505 97:343
98:1041 99:39 100:30 101:362 103:3458 105:525
106:143 107:211 108:508 109:1906 110:964 111:1069
112:581 113:807 114:722 115:984 116:940 117:810
118:1172 119:1255 120:360 121:727 122:1786 123:1229
124:1329 125:1434 128:603 129:212 130:312 131:654
132:341 133:158 134:542 135:67 136:277 137:240
138:350 139:170 140:175 141:321 142:530 143:417
144:498 145:89 146:515 147:389 148:703 149:355
150:139 151:592 152:410 153:205 154:49 155:487
156:283 157:374 158:282 159:684 160:356 161:448
162:807 163:206 164:631 165:566 166:256 167:624
168:1038 169:124 170:1120 171:181 172:25 173:1603
174:673 175:497 176:1265 177:2332 178:1946 179:195
180:1573 181:779 182:1329 183:452 184:657 185:947
186:2647 187:1495 188:1847 189:1287 190:7159 192:7048
193:5400 194:4035 195:3317 196:1317 197:1019 198:4679
199:5446 200:6085 201:2527 202:8772 203:8824 204:4455
205:2612 206:2749 207:2824 208:3981 209:3631 210:2899
211:1558 212:2144 213:1981 214:893 215:91 216:5378
217:1690 218:613 219:310 220:1271 221:566 222:325
223:495
End of report
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