* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Mon 02 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 467455
Prefixes after maximum aggregation: 188321
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234263
Total ASes present in the Internet Routing Table: 45457
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 35435
Origin ASes announcing only one prefix: 16281
Transit ASes present in the Internet Routing Table: 5802
Transit-only ASes present in the Internet Routing Table: 158
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: 946
Unregistered ASNs in the Routing Table: 256
Number of 32-bit ASNs allocated by the RIRs: 5434
Number of 32-bit ASNs visible in the Routing Table: 4220
Prefixes from 32-bit ASNs in the Routing Table: 13297
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1223
Number of addresses announced to Internet: 2654451808
Equivalent to 158 /8s, 55 /16s and 184 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.3
Total number of prefixes smaller than registry allocations: 163444
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108012
Total APNIC prefixes after maximum aggregation: 33439
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 110317
Unique aggregates announced from the APNIC address blocks: 47608
APNIC Region origin ASes present in the Internet Routing Table: 4841
APNIC Prefixes per ASN: 22.79
APNIC Region origin ASes announcing only one prefix: 1228
APNIC Region transit ASes present in the Internet Routing Table: 816
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: 768
Number of APNIC addresses announced to Internet: 727127040
Equivalent to 43 /8s, 87 /16s and 20 /24s
Percentage of available APNIC address space announced: 85.0
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: 162933
Total ARIN prefixes after maximum aggregation: 81282
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163431
Unique aggregates announced from the ARIN address blocks: 75718
ARIN Region origin ASes present in the Internet Routing Table: 15877
ARIN Prefixes per ASN: 10.29
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1606
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: 40
Number of ARIN addresses announced to Internet: 1073098240
Equivalent to 63 /8s, 246 /16s and 46 /24s
Percentage of available ARIN address space announced: 56.8
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: 118566
Total RIPE prefixes after maximum aggregation: 61015
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122673
Unique aggregates announced from the RIPE address blocks: 78698
RIPE Region origin ASes present in the Internet Routing Table: 17523
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8289
RIPE Region transit ASes present in the Internet Routing Table: 2784
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2497
Number of RIPE addresses announced to Internet: 656035424
Equivalent to 39 /8s, 26 /16s and 78 /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: 52567
Total LACNIC prefixes after maximum aggregation: 9822
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 57779
Unique aggregates announced from the LACNIC address blocks: 27263
LACNIC Region origin ASes present in the Internet Routing Table: 2040
LACNIC Prefixes per ASN: 28.32
LACNIC Region origin ASes announcing only one prefix: 556
LACNIC Region transit ASes present in the Internet Routing Table: 383
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 907
Number of LACNIC addresses announced to Internet: 145598976
Equivalent to 8 /8s, 173 /16s and 170 /24s
Percentage of available LACNIC address space announced: 86.8
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: 11426
Total AfriNIC prefixes after maximum aggregation: 2567
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 12032
Unique aggregates announced from the AfriNIC address blocks: 3984
AfriNIC Region origin ASes present in the Internet Routing Table: 676
AfriNIC Prefixes per ASN: 17.80
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 8
Number of AfriNIC addresses announced to Internet: 48417280
Equivalent to 2 /8s, 226 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 48.1
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 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2096 319 110 TPG Internet Pty Ltd
4755 1777 391 189 TATA Communications formerly
9829 1536 1244 47 BSNL National Internet Backbo
9583 1251 95 510 Sify Limited
9498 1216 309 73 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1102 382 166 Bharti Airtel Ltd., Telemedia
4808 1084 2020 308 CNCGROUP IP network: China169
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 3042 3688 53 BellSouth.net Inc.
22773 2211 2939 137 Cox Communications, Inc.
18566 2054 379 178 MegaPath Corporation
1785 2044 685 133 PaeTec Communications, Inc.
20115 1684 1653 600 Charter Communications
4323 1651 1114 420 Time Warner Telecom
701 1504 11144 778 MCI Communications Services,
7029 1467 1257 163 Windstream Communications Inc
30036 1391 313 583 Mediacom Communications Corp
7018 1344 17798 882 AT&T WorldNet Services
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 1872 544 16 OJSC "Vimpelcom"
34984 1365 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1182 448 886 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 897 99 48 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 784 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 680 798 53 Uni2 Autonomous System
35228 547 246 16 Avatar Broadband Limited
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 3410 1807 90 NET Servicos de Comunicao S.A
10620 2673 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1706 908 20 Global Village Telecom
8151 1349 2850 415 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 820 94 91 Telconet S.A
6147 786 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 771 434 61 AVANTEL, 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 1828 112 5 Sudanese Mobile Telephone (ZA
24863 871 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 251 921 209 The Internet Solution
29571 229 21 15 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
29975 192 668 21 Vodacom
12258 183 27 65 Vodacom Internet Company
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 3410 1807 90 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2716 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2673 433 213 Telmex Colombia S.A.
22773 2211 2939 137 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2096 319 110 TPG Internet Pty Ltd
18566 2054 379 178 MegaPath Corporation
1785 2044 685 133 PaeTec Communications, Inc.
8402 1872 544 16 OJSC "Vimpelcom"
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 3042 2989 BellSouth.net Inc.
17974 2716 2628 PT TELEKOMUNIKASI INDONESIA
10620 2673 2460 Telmex Colombia S.A.
22773 2211 2074 Cox Communications, Inc.
7545 2096 1986 TPG Internet Pty Ltd
1785 2044 1911 PaeTec Communications, Inc.
18566 2054 1876 MegaPath Corporation
8402 1872 1856 OJSC "Vimpelcom"
36998 1828 1823 Sudanese Mobile Telephone (ZA
18881 1706 1686 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
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
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
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
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.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 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 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 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
/13:471 /14:922 /15:1623 /16:12790 /17:6695 /18:11100
/19:22874 /20:32794 /21:35356 /22:49579 /23:43606 /24:248736
/25:45 /26:38 /27:27 /28:40 /29:47 /30:269
/31:12 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2054 MegaPath Corporation
36998 1793 1828 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1558 1872 OJSC "Vimpelcom"
22773 1465 2211 Cox Communications, Inc.
30036 1232 1391 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2044 PaeTec Communications, Inc.
7029 1045 1467 Windstream Communications Inc
6983 1035 1294 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:908 2:845 3:3 4:17 5:794 6:21
8:608 12:1875 13:3 14:878 15:11 16:3
17:18 18:19 20:25 23:595 24:1759 27:1683
31:1515 32:43 33:2 34:5 36:95 37:1925
38:913 39:5 40:185 41:3102 42:323 44:13
46:2060 47:10 49:692 50:849 52:12 54:44
55:5 56:4 57:26 58:1094 59:574 60:366
61:1465 62:1232 63:1977 64:4390 65:2354 66:4247
67:2103 68:1112 69:3305 70:946 71:515 72:2023
74:2626 75:394 76:293 77:1216 78:1061 79:669
80:1276 81:1052 82:630 83:690 84:583 85:1234
86:382 87:1018 88:550 89:1552 90:157 91:5678
92:612 93:1607 94:2072 95:1502 96:512 97:348
98:1079 99:41 100:30 101:407 103:3718 105:530
106:143 107:215 108:517 109:2001 110:965 111:1119
112:580 113:800 114:744 115:1015 116:984 117:806
118:1213 119:1267 120:333 121:728 122:1783 123:1240
124:1361 125:1430 128:622 129:217 130:336 131:662
132:347 133:158 134:292 135:72 136:274 137:245
138:351 139:175 140:172 141:323 142:537 143:394
144:497 145:90 146:541 147:418 148:730 149:370
150:150 151:607 152:413 153:207 154:37 155:506
156:303 157:369 158:283 159:694 160:360 161:451
162:913 163:206 164:621 165:572 166:282 167:636
168:1036 169:121 170:1107 171:185 172:12 173:1663
174:721 175:520 176:1313 177:2515 178:1878 179:297
180:1591 181:877 182:1401 183:472 184:634 185:1082
186:2650 187:1466 188:1853 189:1251 190:7261 192:6999
193:5427 194:4020 195:3363 196:1313 197:993 198:4681
199:5476 200:6039 201:2520 202:8802 203:8806 204:4470
205:2632 206:2761 207:2749 208:3960 209:3661 210:2937
211:1568 212:2121 213:2005 214:890 215:86 216:5420
217:1702 218:624 219:316 220:1272 221:584 222:330
223:511
End of report
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