* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Thu 05 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466948
Prefixes after maximum aggregation: 188477
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234507
Total ASes present in the Internet Routing Table: 45463
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 35433
Origin ASes announcing only one prefix: 16259
Transit ASes present in the Internet Routing Table: 5796
Transit-only ASes present in the Internet Routing Table: 154
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: 980
Unregistered ASNs in the Routing Table: 261
Number of 32-bit ASNs allocated by the RIRs: 5441
Number of 32-bit ASNs visible in the Routing Table: 4234
Prefixes from 32-bit ASNs in the Routing Table: 13124
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: 1291
Number of addresses announced to Internet: 2655019104
Equivalent to 158 /8s, 64 /16s and 96 /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: 162994
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108035
Total APNIC prefixes after maximum aggregation: 33475
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 110251
Unique aggregates announced from the APNIC address blocks: 47654
APNIC Region origin ASes present in the Internet Routing Table: 4844
APNIC Prefixes per ASN: 22.76
APNIC Region origin ASes announcing only one prefix: 1229
APNIC Region transit ASes present in the Internet Routing Table: 818
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: 727055872
Equivalent to 43 /8s, 85 /16s and 254 /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: 162225
Total ARIN prefixes after maximum aggregation: 81339
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162651
Unique aggregates announced from the ARIN address blocks: 75561
ARIN Region origin ASes present in the Internet Routing Table: 15874
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: 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: 1072844800
Equivalent to 63 /8s, 242 /16s and 80 /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: 118789
Total RIPE prefixes after maximum aggregation: 61052
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122873
Unique aggregates announced from the RIPE address blocks: 78914
RIPE Region origin ASes present in the Internet Routing Table: 17512
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8271
RIPE Region transit ASes present in the Internet Routing Table: 2778
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: 2509
Number of RIPE addresses announced to Internet: 656279392
Equivalent to 39 /8s, 30 /16s and 7 /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: 52442
Total LACNIC prefixes after maximum aggregation: 9827
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 57595
Unique aggregates announced from the LACNIC address blocks: 27331
LACNIC Region origin ASes present in the Internet Routing Table: 2039
LACNIC Prefixes per ASN: 28.25
LACNIC Region origin ASes announcing only one prefix: 560
LACNIC Region transit ASes present in the Internet Routing Table: 379
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 910
Number of LACNIC addresses announced to Internet: 145949184
Equivalent to 8 /8s, 179 /16s and 2 /24s
Percentage of available LACNIC address space announced: 87.0
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: 11652
Total AfriNIC prefixes after maximum aggregation: 2564
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12287
Unique aggregates announced from the AfriNIC address blocks: 4022
AfriNIC Region origin ASes present in the Internet Routing Table: 682
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 202
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 7
Number of AfriNIC addresses announced to Internet: 48500480
Equivalent to 2 /8s, 228 /16s and 15 /24s
Percentage of available AfriNIC address space announced: 48.2
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 2720 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2096 319 110 TPG Internet Pty Ltd
4755 1778 391 189 TATA Communications formerly
9829 1542 1245 45 BSNL National Internet Backbo
9583 1251 95 510 Sify Limited
9498 1217 309 73 BHARTI Airtel Ltd.
7552 1166 1080 13 Vietel Corporation
24560 1102 382 166 Bharti Airtel Ltd., Telemedia
4808 1082 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 3041 3688 53 BellSouth.net Inc.
22773 2212 2939 138 Cox Communications, Inc.
18566 2054 379 178 MegaPath Corporation
1785 2048 686 132 PaeTec Communications, Inc.
20115 1683 1654 601 Charter Communications
4323 1649 1114 419 Time Warner Telecom
701 1508 11144 779 MCI Communications Services,
30036 1381 311 581 Mediacom Communications Corp
7018 1344 17798 882 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 1846 544 16 OJSC "Vimpelcom"
34984 1367 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1176 444 885 Akamai Technologies European
31148 1009 45 23 FreeNet ISP
13188 897 99 48 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 785 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 677 798 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 3401 1829 94 NET Servicos de Comunicao S.A
10620 2674 433 214 Telmex Colombia S.A.
7303 1733 1153 229 Telecom Argentina Stet-France
18881 1708 908 20 Global Village Telecom
8151 1354 2852 419 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 822 94 91 Telconet S.A
6147 794 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 773 434 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 1854 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 247 921 209 The Internet Solution
29571 231 21 15 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
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 3401 1829 94 NET Servicos de Comunicao S.A
6389 3041 3688 53 BellSouth.net Inc.
17974 2720 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2674 433 214 Telmex Colombia S.A.
22773 2212 2939 138 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 2048 686 132 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 3041 2988 BellSouth.net Inc.
17974 2720 2632 PT TELEKOMUNIKASI INDONESIA
10620 2674 2460 Telmex Colombia S.A.
22773 2212 2074 Cox Communications, Inc.
7545 2096 1986 TPG Internet Pty Ltd
1785 2048 1916 PaeTec Communications, Inc.
18566 2054 1876 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1846 1830 OJSC "Vimpelcom"
18881 1708 1688 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
/13:470 /14:923 /15:1618 /16:12787 /17:6696 /18:11101
/19:22861 /20:32778 /21:35357 /22:49580 /23:43495 /24:248370
/25:45 /26:39 /27:26 /28:40 /29:47 /30:269
/31:13 /32:30
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2054 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1700 3041 BellSouth.net Inc.
8402 1555 1846 OJSC "Vimpelcom"
22773 1465 2212 Cox Communications, Inc.
30036 1221 1381 Mediacom Communications Corp
11492 1185 1223 Cable One
1785 1088 2048 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 964 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:919 2:832 3:3 4:17 5:801 6:21
8:611 12:1879 13:3 14:876 15:11 16:3
17:19 18:19 20:25 23:614 24:1765 27:1702
31:1517 32:43 33:2 34:5 36:95 37:1937
38:914 39:5 40:181 41:3241 42:230 44:13
46:2055 47:10 49:700 50:856 52:12 54:44
55:6 56:4 57:26 58:1068 59:577 60:366
61:1466 62:1241 63:1974 64:4390 65:2345 66:4146
67:2105 68:1085 69:3298 70:895 71:504 72:2013
74:2581 75:327 76:293 77:1215 78:1005 79:669
80:1283 81:1051 82:630 83:695 84:583 85:1253
86:382 87:1036 88:547 89:1562 90:155 91:5695
92:613 93:1606 94:2110 95:1506 96:510 97:349
98:1095 99:41 100:30 101:407 103:3735 105:531
106:143 107:214 108:517 109:2001 110:972 111:1117
112:578 113:800 114:733 115:999 116:996 117:806
118:1218 119:1270 120:331 121:729 122:1783 123:1244
124:1350 125:1436 128:598 129:219 130:337 131:661
132:347 133:158 134:292 135:72 136:275 137:265
138:351 139:165 140:172 141:324 142:537 143:407
144:496 145:90 146:542 147:418 148:725 149:367
150:150 151:485 152:413 153:207 154:45 155:510
156:307 157:368 158:285 159:695 160:361 161:452
162:902 163:205 164:621 165:576 166:274 167:636
168:1037 169:121 170:1109 171:185 172:11 173:1625
174:671 175:523 176:1302 177:2461 178:1873 179:314
180:1596 181:884 182:1402 183:475 184:627 185:1090
186:2635 187:1423 188:1943 189:1238 190:7233 192:7011
193:5417 194:4030 195:3361 196:1323 197:1024 198:4689
199:5474 200:6034 201:2488 202:8786 203:8818 204:4471
205:2631 206:2802 207:2730 208:3948 209:3647 210:2946
211:1582 212:2149 213:1991 214:885 215:84 216:5401
217:1711 218:626 219:313 220:1261 221:587 222:330
223:511
End of report
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