[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 27 18:03:31 UTC 2020
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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG 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 28 Mar, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 803074
Prefixes after maximum aggregation (per Origin AS): 305037
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 392214
Total ASes present in the Internet Routing Table: 67512
Prefixes per ASN: 11.90
Origin-only ASes present in the Internet Routing Table: 57966
Origin ASes announcing only one prefix: 24257
Transit ASes present in the Internet Routing Table: 9546
Transit-only ASes present in the Internet Routing Table: 289
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 36
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 1171
Number of instances of unregistered ASNs: 1171
Number of 32-bit ASNs allocated by the RIRs: 31102
Number of 32-bit ASNs visible in the Routing Table: 25633
Prefixes from 32-bit ASNs in the Routing Table: 118076
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1126
Number of addresses announced to Internet: 2854339968
Equivalent to 170 /8s, 33 /16s and 197 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 269779
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 212013
Total APNIC prefixes after maximum aggregation: 61779
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 204983
Unique aggregates announced from the APNIC address blocks: 85602
APNIC Region origin ASes present in the Internet Routing Table: 10467
APNIC Prefixes per ASN: 19.58
APNIC Region origin ASes announcing only one prefix: 2900
APNIC Region transit ASes present in the Internet Routing Table: 1552
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5536
Number of APNIC addresses announced to Internet: 766826752
Equivalent to 45 /8s, 180 /16s and 217 /24s
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, 131072-141625
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: 235108
Total ARIN prefixes after maximum aggregation: 108090
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 232402
Unique aggregates announced from the ARIN address blocks: 117984
ARIN Region origin ASes present in the Internet Routing Table: 18412
ARIN Prefixes per ASN: 12.62
ARIN Region origin ASes announcing only one prefix: 6718
ARIN Region transit ASes present in the Internet Routing Table: 1909
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3191
Number of ARIN addresses announced to Internet: 1078735104
Equivalent to 64 /8s, 76 /16s and 49 /24s
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, 393216-399260
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, 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: 227443
Total RIPE prefixes after maximum aggregation: 105367
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 224439
Unique aggregates announced from the RIPE address blocks: 131651
RIPE Region origin ASes present in the Internet Routing Table: 26962
RIPE Prefixes per ASN: 8.32
RIPE Region origin ASes announcing only one prefix: 11732
RIPE Region transit ASes present in the Internet Routing Table: 3843
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9036
Number of RIPE addresses announced to Internet: 724648320
Equivalent to 43 /8s, 49 /16s and 65 /24s
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, 64396-64495
196608-210331
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: 105103
Total LACNIC prefixes after maximum aggregation: 24399
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 106407
Unique aggregates announced from the LACNIC address blocks: 46112
LACNIC Region origin ASes present in the Internet Routing Table: 9625
LACNIC Prefixes per ASN: 11.06
LACNIC Region origin ASes announcing only one prefix: 2420
LACNIC Region transit ASes present in the Internet Routing Table: 1809
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7200
Number of LACNIC addresses announced to Internet: 174138880
Equivalent to 10 /8s, 97 /16s and 38 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 22235
Total AfriNIC prefixes after maximum aggregation: 4660
AfriNIC Deaggregation factor: 4.77
Prefixes being announced from the AfriNIC address blocks: 33717
Unique aggregates announced from the AfriNIC address blocks: 9873
AfriNIC Region origin ASes present in the Internet Routing Table: 1380
AfriNIC Prefixes per ASN: 24.43
AfriNIC Region origin ASes announcing only one prefix: 487
AfriNIC Region transit ASes present in the Internet Routing Table: 272
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 670
Number of AfriNIC addresses announced to Internet: 109401856
Equivalent to 6 /8s, 133 /16s and 87 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7545 5362 672 628 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4625 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3404 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3140 1799 107 VNPT-AS-VN VNPT Corp, VN
7713 2707 831 505 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2556 9043 61 CMNET-GD Guangdong Mobile Communication
4766 2294 11102 561 KIXS-AS-KR Korea Telecom, KR
9498 2258 434 222 BBIL-AP BHARTI Airtel Ltd., IN
4755 2137 441 193 TATACOMM-AS TATA Communications formerl
9394 2032 4898 24 CTTNET China TieTong Telecommunications
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
11492 4080 272 631 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3955 7824 1740 AMAZON-02, US
22773 3538 2969 152 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3363 1324 92 SHAW, CA
16625 2991 1568 2135 AKAMAI-AS, US
209 2383 5076 534 CENTURYLINK-US-LEGACY-QWEST, US
30036 2327 359 114 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2302 2981 1623 FRONTIER-FRTR, US
26484 2181 136 172 IKGUL-26484, 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
12479 5889 1603 132 UNI2-AS, ES
31334 4122 484 13 KABELDEUTSCHLAND-AS, DE
39891 3658 201 23 ALJAWWALSTC-AS, SA
8551 3101 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2936 462 2013 AKAMAI-ASN1, US
12389 2495 2250 728 ROSTELECOM-AS, RU
9009 2092 220 1137 M247, GB
34984 2069 349 563 TELLCOM-AS, TR
9121 1861 1691 18 TTNET, TR
13188 1605 100 43 TRIOLAN, UA
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
8151 6351 3307 600 Uninet S.A. de C.V., MX
10620 3363 532 476 Telmex Colombia S.A., CO
11830 2671 369 63 Instituto Costarricense de Electricidad
6503 1651 327 395 Axtel, S.A.B. de C.V., MX
7303 1556 1032 260 Telecom Argentina S.A., AR
28573 1357 2240 210 CLARO S.A., BR
13999 1265 477 299 Mega Cable, S.A. de C.V., MX
6147 1129 378 52 Telefonica del Peru S.A.A., PE
3816 1094 568 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 956 112 71 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 1481 393 22 LINKdotNET-AS, EG
24835 1111 570 24 RAYA-AS, EG
36992 1084 1537 74 ETISALAT-MISR, EG
36903 890 467 88 MT-MPLS, MA
6713 591 1863 34 IAM-AS, MA
29571 591 68 11 ORANGE-COTE-IVOIRE, CI
37342 482 32 1 MOVITEL, MZ
36935 385 522 40 Vodafone-, EG
23889 379 231 15 MauritiusTelecom, MU
15399 356 45 10 WANANCHI-, KE
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
8151 6351 3307 600 Uninet S.A. de C.V., MX
12479 5889 1603 132 UNI2-AS, ES
7545 5362 672 628 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4625 4192 73 ERX-CERNET-BKB China Education and Rese
31334 4122 484 13 KABELDEUTSCHLAND-AS, DE
11492 4080 272 631 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3955 7824 1740 AMAZON-02, US
39891 3658 201 23 ALJAWWALSTC-AS, SA
22773 3538 2969 152 ASN-CXA-ALL-CCI-22773-RDC, US
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5889 5757 UNI2-AS, ES
7545 5362 4734 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4625 4552 ERX-CERNET-BKB China Education and Research Net
31334 4122 4109 KABELDEUTSCHLAND-AS, DE
7155 4034 4006 VIASAT-SP-BACKBONE, US
39891 3658 3635 ALJAWWALSTC-AS, SA
11492 4080 3449 CABLEONE, US
22773 3538 3386 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3404 3380 VIETEL-AS-AP Viettel Group, VN
6327 3363 3271 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461, US
27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.136.224.0/24 Origin: 15206 UNASSIGNED
Transit: 174 COGENT-174, US
23.137.192.0/24 Origin: 31798 CANAD-86-31798, CA
Transit: 174 COGENT-174, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
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 /8:10 /9:11 /10:38 /11:98 /12:285
/13:578 /14:1162 /15:1908 /16:13376 /17:8139 /18:13804
/19:25728 /20:40505 /21:47841 /22:99509 /23:81979 /24:466815
/25:1288 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4880 5889 UNI2-AS, ES
31334 3967 4122 KABELDEUTSCHLAND-AS, DE
11492 3203 4080 CABLEONE, US
6327 3152 3363 SHAW, CA
7155 3125 4034 VIASAT-SP-BACKBONE, US
39891 2817 3658 ALJAWWALSTC-AS, SA
22773 2755 3538 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2560 3101 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2153 6351 Uninet S.A. de C.V., MX
30036 2074 2327 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1579 2:1075 3:30 4:19 5:3297 6:51
8:1381 9:1 11:1 12:1796 13:501 14:2268
15:74 16:9 17:295 18:80 20:78 23:3418
24:2280 25:4 27:2541 31:3068 32:105 34:3
35:39 36:933 37:3270 38:1926 39:329 40:126
41:3497 42:700 43:2114 44:195 45:13954 46:3700
47:280 49:1434 50:1217 51:94 52:1127 54:270
55:692 56:6 57:48 58:1868 59:1146 60:709
61:2224 62:2247 63:1948 64:5063 65:2300 66:4884
67:2871 68:1219 69:3827 70:1432 71:677 72:2754
74:2610 75:1438 76:671 77:2623 78:1934 79:2390
80:1900 81:1578 82:1277 83:1161 84:1204 85:2501
86:547 87:1712 88:1097 89:2693 90:312 91:7624
92:1495 93:2461 94:2648 95:3785 96:1038 97:339
98:966 99:961 100:87 101:1112 102:859 103:23423
104:3402 105:423 106:846 107:1951 108:705 109:3623
110:1802 111:2052 112:1600 113:1401 114:1546 115:1867
116:1798 117:2092 118:2156 119:1698 120:839 121:1043
122:2424 123:1969 124:1557 125:2041 128:1333 129:904
130:630 131:1813 132:760 133:301 134:1227 135:275
136:608 137:838 138:2174 139:991 140:604 141:925
142:893 143:1215 144:982 145:330 146:1478 147:1020
148:2060 149:1151 150:809 151:1288 152:1486 153:376
154:4746 155:912 156:3405 157:1099 158:800 159:1947
160:1906 161:1024 162:3050 163:792 164:1470 165:1253
166:547 167:1625 168:3714 169:509 170:4312 171:769
172:1906 173:2405 174:1034 175:1018 176:2710 177:4201
178:2989 179:1502 180:2155 181:2452 182:3111 183:1119
184:2412 185:16269 186:3766 187:2627 188:4131 189:2219
190:8627 191:1450 192:10277 193:7428 194:6095 195:4325
196:3535 197:1923 198:6115 199:5933 200:7202 201:5144
202:10518 203:10141 204:4566 205:3087 206:3235 207:3301
208:4038 209:4420 210:4014 211:1989 212:3251 213:3061
214:1174 215:54 216:5913 217:2391 218:876 219:602
220:1994 221:904 222:993 223:1507
End of report
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