[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 22 18:01:39 UTC 2016
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,
SAFNOG, PaNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.
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 23 Jul, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 605817
Prefixes after maximum aggregation (per Origin AS): 218806
Deaggregation factor: 2.77
Unique aggregates announced (without unneeded subnets): 294816
Total ASes present in the Internet Routing Table: 54378
Prefixes per ASN: 11.14
Origin-only ASes present in the Internet Routing Table: 36517
Origin ASes announcing only one prefix: 15523
Transit ASes present in the Internet Routing Table: 6452
Transit-only ASes present in the Internet Routing Table: 163
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 54
Max AS path prepend of ASN ( 55644) 51
Prefixes from unregistered ASNs in the Routing Table: 61
Unregistered ASNs in the Routing Table: 14
Number of 32-bit ASNs allocated by the RIRs: 14745
Number of 32-bit ASNs visible in the Routing Table: 11409
Prefixes from 32-bit ASNs in the Routing Table: 45128
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 359
Number of addresses announced to Internet: 2819713764
Equivalent to 168 /8s, 17 /16s and 106 /24s
Percentage of available address space announced: 76.2
Percentage of allocated address space announced: 76.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.2
Total number of prefixes smaller than registry allocations: 197336
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 156415
Total APNIC prefixes after maximum aggregation: 42755
APNIC Deaggregation factor: 3.66
Prefixes being announced from the APNIC address blocks: 168745
Unique aggregates announced from the APNIC address blocks: 68054
APNIC Region origin ASes present in the Internet Routing Table: 5202
APNIC Prefixes per ASN: 32.44
APNIC Region origin ASes announcing only one prefix: 1183
APNIC Region transit ASes present in the Internet Routing Table: 934
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 54
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2238
Number of APNIC addresses announced to Internet: 759062340
Equivalent to 45 /8s, 62 /16s and 95 /24s
Percentage of available APNIC address space announced: 88.7
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, 64297-64395, 131072-137529
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: 182907
Total ARIN prefixes after maximum aggregation: 89306
ARIN Deaggregation factor: 2.05
Prefixes being announced from the ARIN address blocks: 188607
Unique aggregates announced from the ARIN address blocks: 88629
ARIN Region origin ASes present in the Internet Routing Table: 16283
ARIN Prefixes per ASN: 11.58
ARIN Region origin ASes announcing only one prefix: 5773
ARIN Region transit ASes present in the Internet Routing Table: 1703
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1345
Number of ARIN addresses announced to Internet: 1103342816
Equivalent to 65 /8s, 195 /16s and 172 /24s
Percentage of available ARIN address space announced: 58.4
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, 393216-397212
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: 145200
Total RIPE prefixes after maximum aggregation: 71268
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 154819
Unique aggregates announced from the RIPE address blocks: 95081
RIPE Region origin ASes present in the Internet Routing Table: 18096
RIPE Prefixes per ASN: 8.56
RIPE Region origin ASes announcing only one prefix: 7829
RIPE Region transit ASes present in the Internet Routing Table: 3002
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4936
Number of RIPE addresses announced to Internet: 705966464
Equivalent to 42 /8s, 20 /16s and 49 /24s
Percentage of available RIPE address space announced: 102.6
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: 61695
Total LACNIC prefixes after maximum aggregation: 12258
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 76891
Unique aggregates announced from the LACNIC address blocks: 36669
LACNIC Region origin ASes present in the Internet Routing Table: 2485
LACNIC Prefixes per ASN: 30.94
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 572
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2653
Number of LACNIC addresses announced to Internet: 170131520
Equivalent to 10 /8s, 36 /16s and 0 /24s
Percentage of available LACNIC address space announced: 101.4
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: 14410
Total AfriNIC prefixes after maximum aggregation: 3209
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 16396
Unique aggregates announced from the AfriNIC address blocks: 6052
AfriNIC Region origin ASes present in the Internet Routing Table: 733
AfriNIC Prefixes per ASN: 22.37
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 172
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 237
Number of AfriNIC addresses announced to Internet: 80888832
Equivalent to 4 /8s, 210 /16s and 68 /24s
Percentage of available AfriNIC address space announced: 80.4
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 5560 4191 75 ERX-CERNET-BKB China Education and Rese
7545 3425 384 253 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 3177 11145 1126 KIXS-AS-KR Korea Telecom, KR
17974 2935 904 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9829 2564 1487 522 BSNL-NIB National Internet Backbone, IN
1659 2493 1466 38 ERX-TANET-ASN1 Taiwan Academic Network
9808 2160 8761 40 CMNET-GD Guangdong Mobile Communication
4755 2078 431 243 TATACOMM-AS TATA Communications formerl
4808 1718 2318 556 CHINA169-BJ China Unicom Beijing Provin
38197 1493 92 275 SUNHK-DATA-AS-AP Sun Network (Hong Kong
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 3503 2965 144 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2195 405 110 MEGAPATH5-US - MegaPath Corporation, US
6389 2182 3671 41 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 1931 1952 409 CHARTER-NET-HKY-NC - Charter Communicat
30036 1715 342 385 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 1708 5083 651 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
6983 1687 849 228 ITCDELTA - Earthlink, Inc., US
7018 1347 20075 1001 ATT-INTERNET4 - AT&T Services, Inc., US
11492 1339 239 558 CABLEONE - CABLE ONE, INC., US
16509 1332 2474 423 AMAZON-02 - Amazon.com, Inc., US
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 3329 169 15 ALJAWWALSTC-AS , SA
20940 2724 1054 1932 AKAMAI-ASN1 , US
34984 1974 327 358 TELLCOM-AS , TR
12479 1290 1002 46 UNI2-AS , ES
8551 1244 377 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
6849 1148 355 21 UKRTELNET , UA
13188 1074 97 86 BANKINFORM-AS , UA
8402 1032 544 15 CORBINA-AS Russia, RU
31148 1017 47 44 FREENET-AS , UA
6830 883 2752 462 LGI-UPC formerly known as UPC Broadband
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 3479 543 124 Telmex Colombia S.A., CO
8151 2265 3366 553 Uninet S.A. de C.V., MX
7303 1531 949 241 Telecom Argentina S.A., AR
11830 1493 369 66 Instituto Costarricense de Electricidad
6503 1418 437 54 Axtel, S.A.B. de C.V., MX
6147 1103 377 27 Telefonica del Peru S.A.A., PE
3816 998 478 181 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
7738 994 1882 40 Telemar Norte Leste S.A., BR
28573 910 2180 158 CLARO S.A., BR
11172 907 125 76 Alestra, S. de R.L. de C.V., MX
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
24863 1163 402 48 LINKdotNET-AS, EG
36903 656 330 109 MT-MPLS, MA
37611 648 48 2 Afrihost, ZA
36992 537 1357 26 ETISALAT-MISR, EG
8452 504 1472 15 TE-AS TE-AS, EG
37492 373 234 68 ORANGE-TN, TN
24835 330 594 15 RAYA-AS, EG
29571 299 37 12 CITelecom-AS, CI
15399 289 35 6 WANANCHI-KE, KE
2018 264 327 73 TENET-1, ZA
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 5560 4191 75 ERX-CERNET-BKB China Education and Rese
22773 3503 2965 144 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3479 543 124 Telmex Colombia S.A., CO
7545 3425 384 253 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3329 169 15 ALJAWWALSTC-AS , SA
4766 3177 11145 1126 KIXS-AS-KR Korea Telecom, KR
17974 2935 904 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2724 1054 1932 AKAMAI-ASN1 , US
9829 2564 1487 522 BSNL-NIB National Internet Backbone, IN
1659 2493 1466 38 ERX-TANET-ASN1 Taiwan Academic Network
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3503 3359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3479 3355 Telmex Colombia S.A., CO
39891 3329 3314 ALJAWWALSTC-AS , SA
7545 3425 3172 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2935 2857 TELKOMNET-AS2-AP PT Telekomunikasi Indo
1659 2493 2455 ERX-TANET-ASN1 Taiwan Academic Network
6389 2182 2141 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
9808 2160 2120 CMNET-GD Guangdong Mobile Communication
18566 2195 2085 MEGAPATH5-US - MegaPath Corporation, US
4766 3177 2051 KIXS-AS-KR Korea Telecom, KR
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65001 PRIVATE 5.143.176.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.192.0/20 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.192.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.200.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.208.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65001 PRIVATE 31.172.216.0/21 15468 KLGELECS-AS 38, Teatralnaya st
65000 PRIVATE 31.219.177.0/25 8966 ETISALAT-AS P.O. Box 1150, Dub
65000 PRIVATE 31.219.177.128/25 8966 ETISALAT-AS P.O. Box 1150, Dub
65412 PRIVATE 41.89.7.0/24 36866 JTL, KE
65512 PRIVATE 45.252.244.0/24 45899 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.249.144.0/20 40430 COLO4JAX-AS - colo4jax, LLC, US
27.100.7.0/24 56096 UNKNOWN
41.73.1.0/24 37004 -Reserved AS-, ZZ
41.73.2.0/24 37004 -Reserved AS-, ZZ
41.73.3.0/24 37004 -Reserved AS-, ZZ
41.73.4.0/24 37004 -Reserved AS-, ZZ
41.73.5.0/24 37004 -Reserved AS-, ZZ
41.73.6.0/24 37004 -Reserved AS-, ZZ
41.73.7.0/24 37004 -Reserved AS-, ZZ
41.73.8.0/24 37004 -Reserved AS-, ZZ
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 /8:16 /9:13 /10:36 /11:100 /12:266
/13:518 /14:1049 /15:1766 /16:13169 /17:7816 /18:12749
/19:25323 /20:38278 /21:40173 /22:67117 /23:58796 /24:336973
/25:564 /26:587 /27:377 /28:49 /29:32 /30:16
/31:1 /32:33
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2896 3329 ALJAWWALSTC-AS , SA
22773 2732 3503 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2087 2195 MEGAPATH5-US - MegaPath Corporation, US
30036 1530 1715 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6389 1414 2182 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620 1383 3479 Telmex Colombia S.A., CO
6983 1339 1687 ITCDELTA - Earthlink, Inc., US
34984 1257 1974 TELLCOM-AS , TR
11492 1235 1339 CABLEONE - CABLE ONE, INC., US
6849 968 1148 UKRTELNET , UA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1577 2:747 4:21 5:2137 6:31 8:969
12:1779 13:43 14:1720 15:44 16:2 17:88
18:114 20:49 22:1 23:1635 24:1795 27:2293
31:1781 32:67 33:3 34:2 35:5 36:315
37:2271 38:1248 39:35 40:94 41:2959 42:457
43:1797 44:43 45:2079 46:2528 47:82 49:1159
50:902 51:12 52:517 54:340 55:9 56:7
57:42 58:1605 59:944 60:351 61:1815 62:1504
63:1929 64:4522 65:2177 66:4257 67:2201 68:1113
69:3286 70:1251 71:484 72:2027 74:2543 75:343
76:382 77:1427 78:1270 79:877 80:1244 81:1385
82:973 83:718 84:851 85:1606 86:486 87:1100
88:551 89:2098 90:211 91:6066 92:977 93:2397
94:2407 95:2501 96:513 97:370 98:945 99:41
100:76 101:1088 103:11639 104:2539 105:128 106:430
107:1410 108:663 109:2230 110:1286 111:1632 112:1037
113:1116 114:1089 115:1659 116:1614 117:1531 118:1988
119:1608 120:1260 121:1153 122:2189 123:2040 124:1589
125:1780 128:677 129:410 130:410 131:1339 132:619
133:175 134:466 135:139 136:382 137:394 138:1768
139:299 140:712 141:451 142:649 143:907 144:719
145:163 146:888 147:651 148:1383 149:534 150:659
151:1024 152:634 153:303 154:655 155:959 156:515
157:484 158:383 159:1137 160:513 161:720 162:2358
163:919 164:895 165:1061 166:318 167:1165 168:1961
169:669 170:1785 171:262 172:608 173:1638 174:752
175:743 176:1729 177:4109 178:2190 179:1140 180:2125
181:1812 182:1962 183:917 184:832 185:6991 186:3022
187:2086 188:2188 189:1749 190:7810 191:1277 192:9052
193:5730 194:4436 195:3830 196:1705 197:1136 198:5559
199:5739 200:7066 201:3771 202:10110 203:10075 204:4508
205:2723 206:2983 207:3102 208:4094 209:3872 210:4265
211:2041 212:2702 213:2326 214:869 215:70 216:5846
217:1982 218:800 219:623 220:1634 221:866 222:680
223:1263
End of report
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