[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Oct 2 18:11:33 UTC 2015
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 03 Oct, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 564808
Prefixes after maximum aggregation (per Origin AS): 210720
Deaggregation factor: 2.68
Unique aggregates announced (without unneeded subnets): 274629
Total ASes present in the Internet Routing Table: 51616
Prefixes per ASN: 10.94
Origin-only ASes present in the Internet Routing Table: 36653
Origin ASes announcing only one prefix: 16084
Transit ASes present in the Internet Routing Table: 6419
Transit-only ASes present in the Internet Routing Table: 172
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 46
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 1060
Unregistered ASNs in the Routing Table: 404
Number of 32-bit ASNs allocated by the RIRs: 11198
Number of 32-bit ASNs visible in the Routing Table: 8544
Prefixes from 32-bit ASNs in the Routing Table: 32281
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 419
Number of addresses announced to Internet: 2811706304
Equivalent to 167 /8s, 151 /16s and 59 /24s
Percentage of available address space announced: 75.9
Percentage of allocated address space announced: 75.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.6
Total number of prefixes smaller than registry allocations: 186802
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 143326
Total APNIC prefixes after maximum aggregation: 39870
APNIC Deaggregation factor: 3.59
Prefixes being announced from the APNIC address blocks: 150997
Unique aggregates announced from the APNIC address blocks: 59805
APNIC Region origin ASes present in the Internet Routing Table: 5100
APNIC Prefixes per ASN: 29.61
APNIC Region origin ASes announcing only one prefix: 1200
APNIC Region transit ASes present in the Internet Routing Table: 897
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1633
Number of APNIC addresses announced to Internet: 753578752
Equivalent to 44 /8s, 234 /16s and 179 /24s
Percentage of available APNIC address space announced: 88.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 179951
Total ARIN prefixes after maximum aggregation: 88237
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 183020
Unique aggregates announced from the ARIN address blocks: 86528
ARIN Region origin ASes present in the Internet Routing Table: 16573
ARIN Prefixes per ASN: 11.04
ARIN Region origin ASes announcing only one prefix: 6042
ARIN Region transit ASes present in the Internet Routing Table: 1748
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 725
Number of ARIN addresses announced to Internet: 1118647488
Equivalent to 66 /8s, 173 /16s and 52 /24s
Percentage of available ARIN address space announced: 59.2
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, 64198-64296, 393216-395164
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: 136089
Total RIPE prefixes after maximum aggregation: 67822
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 143174
Unique aggregates announced from the RIPE address blocks: 88840
RIPE Region origin ASes present in the Internet Routing Table: 17993
RIPE Prefixes per ASN: 7.96
RIPE Region origin ASes announcing only one prefix: 8038
RIPE Region transit ASes present in the Internet Routing Table: 2987
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4057
Number of RIPE addresses announced to Internet: 699578624
Equivalent to 41 /8s, 178 /16s and 185 /24s
Percentage of available RIPE address space announced: 101.7
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, 196608-204287
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: 60645
Total LACNIC prefixes after maximum aggregation: 11659
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 72799
Unique aggregates announced from the LACNIC address blocks: 33697
LACNIC Region origin ASes present in the Internet Routing Table: 2469
LACNIC Prefixes per ASN: 29.49
LACNIC Region origin ASes announcing only one prefix: 611
LACNIC Region transit ASes present in the Internet Routing Table: 535
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1977
Number of LACNIC addresses announced to Internet: 169465600
Equivalent to 10 /8s, 25 /16s and 215 /24s
Percentage of available LACNIC address space announced: 101.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 12404
Total AfriNIC prefixes after maximum aggregation: 3090
AfriNIC Deaggregation factor: 4.01
Prefixes being announced from the AfriNIC address blocks: 14399
Unique aggregates announced from the AfriNIC address blocks: 5400
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 19.54
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 171
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 152
Number of AfriNIC addresses announced to Internet: 69958400
Equivalent to 4 /8s, 43 /16s and 123 /24s
Percentage of available AfriNIC address space announced: 69.5
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
4538 5590 4192 76 China Education and Research
4766 3013 11134 984 Korea Telecom
7545 2812 339 138 TPG Telecom Limited
17974 2710 908 90 PT Telekomunikasi Indonesia
4755 2048 428 230 TATA Communications formerly
9829 1911 1383 227 National Internet Backbone
9808 1620 8639 18 Guangdong Mobile Communicatio
4812 1574 2099 113 China Telecom (Group)
4808 1523 2258 481 CNCGROUP IP network China169
9583 1502 120 562 Sify Limited
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3190 2966 144 Cox Communications Inc.
6389 2686 3688 44 BellSouth.net Inc.
3356 2518 10709 496 Level 3 Communications, Inc.
18566 2175 393 264 MegaPath Corporation
20115 1889 1885 395 Charter Communications
6983 1739 866 241 EarthLink, Inc.
30036 1635 331 351 Mediacom Communications Corp
4323 1585 1005 406 tw telecom holdings, inc.
701 1398 11401 674 MCI Communications Services,
22561 1281 365 215 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2148 847 1557 Akamai International B.V.
34984 2041 306 378 TELLCOM ILETISIM HIZMETLERI A
6849 1209 355 21 JSC "Ukrtelecom"
8402 1101 544 15 OJSC "Vimpelcom"
13188 1072 97 76 TOV "Bank-Inform"
31148 1038 46 41 Freenet Ltd.
12479 1016 965 80 France Telecom Espana SA
8551 982 376 52 Bezeq International-Ltd
6830 900 2694 465 Liberty Global Operations B.V
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3394 542 128 Telmex Colombia S.A.
28573 2109 2167 120 NET Serviços de Comunicação S
8151 1798 3303 490 Uninet S.A. de C.V.
7303 1571 938 238 Telecom Argentina S.A.
6503 1399 437 55 Axtel, S.A.B. de C.V.
6147 1060 374 30 Telefonica del Peru S.A.A.
26615 1020 2325 35 Tim Celular S.A.
7738 997 1882 41 Telemar Norte Leste S.A.
11830 995 364 24 Instituto Costarricense de El
3816 955 437 164 COLOMBIA TELECOMUNICACIONES S
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 992 1470 14 TE-AS
24863 868 409 38 Link Egypt (Link.NET)
36903 521 262 102 Office National des Postes et
36992 439 1229 32 ETISALAT MISR
24835 323 146 12 Vodafone Data
37492 315 191 72 Orange Tunisie
29571 246 21 12 Cote d'Ivoire Telecom
3741 223 853 184 Internet Solutions
36947 198 807 13 Telecom Algeria
15706 172 32 7 Sudatel (Sudan Telecom Co. Lt
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
4538 5590 4192 76 China Education and Research
10620 3394 542 128 Telmex Colombia S.A.
22773 3190 2966 144 Cox Communications Inc.
4766 3013 11134 984 Korea Telecom
7545 2812 339 138 TPG Telecom Limited
17974 2710 908 90 PT Telekomunikasi Indonesia
6389 2686 3688 44 BellSouth.net Inc.
3356 2518 10709 496 Level 3 Communications, Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
18566 2175 393 264 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
10620 3394 3266 Telmex Colombia S.A.
22773 3190 3046 Cox Communications Inc.
7545 2812 2674 TPG Telecom Limited
6389 2686 2642 BellSouth.net Inc.
17974 2710 2620 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
4766 3013 2029 Korea Telecom
3356 2518 2022 Level 3 Communications, Inc.
28573 2109 1989 NET Serviços de Comunicação S
18566 2175 1911 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.1.0/24 9730 Bharti Telesonic Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
23.249.144.0/21 40430 colo4jax, LLC
23.249.152.0/21 40430 colo4jax, LLC
27.50.8.0/24 55548 >>UNKNOWN<<
27.50.9.0/24 55548 >>UNKNOWN<<
27.50.10.0/24 55548 >>UNKNOWN<<
27.50.11.0/24 55548 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
Complete listing at http://thyme.rand.apnic.net/current/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 /9:13 /10:36 /11:95 /12:262
/13:505 /14:1006 /15:1747 /16:12907 /17:7404 /18:12608
/19:26219 /20:37339 /21:39581 /22:62162 /23:54208 /24:305941
/25:1007 /26:1065 /27:626 /28:15 /29:14 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2398 3190 Cox Communications Inc.
18566 2081 2175 MegaPath Corporation
6389 1607 2686 BellSouth.net Inc.
30036 1454 1635 Mediacom Communications Corp
6983 1386 1739 EarthLink, Inc.
34984 1361 2041 TELLCOM ILETISIM HIZMETLERI A
10620 1260 3394 Telmex Colombia S.A.
11492 1127 1209 CABLE ONE, INC.
6849 992 1209 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1589 2:692 4:97 5:1896 6:25 8:1403
12:1808 13:17 14:1434 15:16 16:2 17:50
18:22 20:51 23:1264 24:1738 27:2065 31:1628
32:52 33:2 34:2 35:4 36:161 37:2037
38:1075 39:15 40:72 41:2832 42:340 43:1550
44:32 45:1306 46:2347 47:57 49:1004 50:804
52:23 54:94 55:5 56:6 57:43 58:1417
59:776 60:457 61:1782 62:1428 63:1903 64:4383
65:2236 66:3998 67:2073 68:1076 69:3269 70:1037
71:454 72:1982 74:2551 75:364 76:395 77:1372
78:1227 79:808 80:1354 81:1360 82:888 83:670
84:777 85:1399 86:448 87:1029 88:535 89:1930
90:151 91:6000 92:847 93:2282 94:2128 95:2162
96:461 97:349 98:957 99:56 100:75 101:846
103:8403 104:2013 105:78 106:350 107:1055 108:629
109:2145 110:1218 111:1471 112:836 113:1123 114:868
115:1375 116:1513 117:1110 118:1929 119:1492 120:472
121:1149 122:2182 123:1853 124:1545 125:1672 128:703
129:342 130:432 131:1250 132:539 133:162 134:430
135:106 136:349 137:296 138:1365 139:174 140:248
141:438 142:654 143:557 144:571 145:127 146:764
147:607 148:1259 149:430 150:597 151:783 152:567
153:264 154:505 155:892 156:421 157:424 158:347
159:1050 160:429 161:686 162:2132 163:472 164:691
165:859 166:301 167:878 168:1243 169:192 170:1497
171:251 172:283 173:1533 174:715 175:711 176:1459
177:4014 178:2194 179:1018 180:1944 181:1573 182:1815
183:636 184:748 185:4375 186:2876 187:1837 188:2104
189:1669 190:7584 191:1175 192:8593 193:5663 194:4279
195:3670 196:1964 197:1111 198:5516 199:5507 200:6641
201:3218 202:9718 203:9162 204:4551 205:2703 206:3042
207:2979 208:4005 209:3898 210:3724 211:2044 212:2568
213:2248 214:851 215:72 216:5737 217:1818 218:804
219:533 220:1565 221:822 222:724 223:831
End of report
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