[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 31 18:03:36 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 01 Feb, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 793947
Prefixes after maximum aggregation (per Origin AS): 302112
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 388441
Total ASes present in the Internet Routing Table: 66890
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 57486
Origin ASes announcing only one prefix: 24176
Transit ASes present in the Internet Routing Table: 9404
Transit-only ASes present in the Internet Routing Table: 288
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 34
Max AS path prepend of ASN (132972) 29
Prefixes from unregistered ASNs in the Routing Table: 1298
Number of instances of unregistered ASNs: 1299
Number of 32-bit ASNs allocated by the RIRs: 30389
Number of 32-bit ASNs visible in the Routing Table: 24990
Prefixes from 32-bit ASNs in the Routing Table: 114681
Number of bogon 32-bit ASNs visible in the Routing Table: 21
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1125
Number of addresses announced to Internet: 2852816000
Equivalent to 170 /8s, 10 /16s and 132 /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: 99.4
Total number of prefixes smaller than registry allocations: 266322
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 210695
Total APNIC prefixes after maximum aggregation: 61420
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 204156
Unique aggregates announced from the APNIC address blocks: 84890
APNIC Region origin ASes present in the Internet Routing Table: 10335
APNIC Prefixes per ASN: 19.75
APNIC Region origin ASes announcing only one prefix: 2869
APNIC Region transit ASes present in the Internet Routing Table: 1537
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 33
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5383
Number of APNIC addresses announced to Internet: 768326144
Equivalent to 45 /8s, 203 /16s and 186 /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: 233287
Total ARIN prefixes after maximum aggregation: 107371
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 231091
Unique aggregates announced from the ARIN address blocks: 116754
ARIN Region origin ASes present in the Internet Routing Table: 18392
ARIN Prefixes per ASN: 12.56
ARIN Region origin ASes announcing only one prefix: 6756
ARIN Region transit ASes present in the Internet Routing Table: 1908
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3144
Number of ARIN addresses announced to Internet: 1078449664
Equivalent to 64 /8s, 71 /16s and 214 /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: 224318
Total RIPE prefixes after maximum aggregation: 104312
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 221116
Unique aggregates announced from the RIPE address blocks: 130594
RIPE Region origin ASes present in the Internet Routing Table: 26771
RIPE Prefixes per ASN: 8.26
RIPE Region origin ASes announcing only one prefix: 11688
RIPE Region transit ASes present in the Internet Routing Table: 3792
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8872
Number of RIPE addresses announced to Internet: 723775104
Equivalent to 43 /8s, 35 /16s and 238 /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: 102985
Total LACNIC prefixes after maximum aggregation: 23759
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 104184
Unique aggregates announced from the LACNIC address blocks: 45364
LACNIC Region origin ASes present in the Internet Routing Table: 9373
LACNIC Prefixes per ASN: 11.12
LACNIC Region origin ASes announcing only one prefix: 2388
LACNIC Region transit ASes present in the Internet Routing Table: 1765
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6940
Number of LACNIC addresses announced to Internet: 174168320
Equivalent to 10 /8s, 97 /16s and 153 /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: 21363
Total AfriNIC prefixes after maximum aggregation: 4482
AfriNIC Deaggregation factor: 4.77
Prefixes being announced from the AfriNIC address blocks: 32275
Unique aggregates announced from the AfriNIC address blocks: 9846
AfriNIC Region origin ASes present in the Internet Routing Table: 1358
AfriNIC Prefixes per ASN: 23.77
AfriNIC Region origin ASes announcing only one prefix: 475
AfriNIC Region transit ASes present in the Internet Routing Table: 264
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 651
Number of AfriNIC addresses announced to Internet: 107333120
Equivalent to 6 /8s, 101 /16s and 198 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 5235 642 598 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4622 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3303 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3123 1787 108 VNPT-AS-VN VNPT Corp, VN
7713 2696 813 498 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2606 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2264 11101 566 KIXS-AS-KR Korea Telecom, KR
9498 2224 433 213 BBIL-AP BHARTI Airtel Ltd., IN
9829 2145 1374 236 BSNL-NIB National Internet Backbone, IN
4755 2136 441 195 TATACOMM-AS TATA Communications formerl
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
7155 4047 280 27 VIASAT-SP-BACKBONE, US
11492 3926 260 654 CABLEONE, US
16509 3784 7728 1670 AMAZON-02, US
22773 3522 2971 151 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3365 1324 93 SHAW, CA
16625 2976 1560 2137 AKAMAI-AS, US
209 2343 5075 532 CENTURYLINK-US-LEGACY-QWEST, US
30036 2291 358 92 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2138 2780 520 CHARTER-20115, US
18566 2059 405 103 MEGAPATH5-, 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 5855 1622 133 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3431 484 13 KABELDEUTSCHLAND-AS, DE
8551 3092 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2817 450 1942 AKAMAI-ASN1, US
12389 2420 2244 700 ROSTELECOM-AS, RU
9009 2073 220 1119 M247, GB
34984 2067 348 557 TELLCOM-AS, TR
9121 1932 1691 18 TTNET, TR
13188 1604 100 47 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 6211 3300 610 Uninet S.A. de C.V., MX
10620 3357 533 471 Telmex Colombia S.A., CO
11830 2681 369 63 Instituto Costarricense de Electricidad
6503 1683 323 390 Axtel, S.A.B. de C.V., MX
7303 1484 1030 266 Telecom Argentina S.A., AR
28573 1267 2235 193 CLARO S.A., BR
13999 1182 504 288 Mega Cable, S.A. de C.V., MX
3816 1120 562 134 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1100 379 39 Telefonica del Peru S.A.A., PE
11172 955 112 70 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 1100 393 23 LINKdotNET-AS, EG
24835 1097 566 24 RAYA-AS, EG
36992 1039 1535 73 ETISALAT-MISR, EG
36903 876 452 97 MT-MPLS, MA
6713 613 1863 34 IAM-AS, MA
29571 560 68 12 ORANGE-COTE-IVOIRE, CI
37342 476 32 1 MOVITEL, MZ
36935 383 522 40 Vodafone-, EG
15399 355 45 10 WANANCHI-, KE
23889 351 231 15 MauritiusTelecom, MU
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 6211 3300 610 Uninet S.A. de C.V., MX
12479 5855 1622 133 UNI2-AS, ES
7545 5235 642 598 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4622 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4047 280 27 VIASAT-SP-BACKBONE, US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3926 260 654 CABLEONE, US
16509 3784 7728 1670 AMAZON-02, US
22773 3522 2971 151 ASN-CXA-ALL-CCI-22773-RDC, US
31334 3431 484 13 KABELDEUTSCHLAND-AS, DE
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 5855 5722 UNI2-AS, ES
7545 5235 4637 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4622 4549 ERX-CERNET-BKB China Education and Research Net
7155 4047 4020 VIASAT-SP-BACKBONE, US
39891 4034 4015 ALJAWWALSTC-AS, SA
31334 3431 3418 KABELDEUTSCHLAND-AS, DE
22773 3522 3371 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3303 3279 VIETEL-AS-AP Viettel Group, VN
11492 3926 3272 CABLEONE, US
6327 3365 3272 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
17076 UNALLOCATED 8.12.244.0/24 3356 LEVEL3, US
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
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 /12:287
/13:580 /14:1157 /15:1918 /16:13385 /17:8191 /18:13886
/19:25821 /20:40462 /21:47563 /22:98402 /23:80949 /24:459851
/25:1338 /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 4830 5855 UNI2-AS, ES
31334 3276 3431 KABELDEUTSCHLAND-AS, DE
6327 3153 3365 SHAW, CA
7155 3139 4047 VIASAT-SP-BACKBONE, US
11492 3062 3926 CABLEONE, US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2740 3522 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2552 3092 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2040 2291 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 2029 2681 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1502 2:1163 3:30 4:19 5:3265 6:48
8:1378 9:1 12:1787 13:478 14:2230 15:71
16:9 17:283 18:79 20:58 23:3275 24:2627
25:4 27:2496 31:2859 32:101 35:43 36:933
37:3230 38:1833 39:314 40:132 41:3273 42:872
43:2122 44:190 45:13057 46:3644 47:274 49:1430
50:1567 51:343 52:1109 54:271 55:670 56:6
57:48 58:1885 59:1117 60:682 61:2210 62:2159
63:1927 64:5034 65:2328 66:4836 67:2846 68:1233
69:3820 70:1412 71:670 72:2779 74:2615 75:1438
76:670 77:2576 78:1978 79:2365 80:1851 81:1565
82:1206 83:1117 84:1215 85:2473 86:573 87:1697
88:1074 89:2687 90:298 91:7544 92:1455 93:2434
94:2588 95:3702 96:1013 97:337 98:963 99:965
100:83 101:1088 102:813 103:23042 104:3616 105:398
106:826 107:1873 108:702 109:3613 110:1770 111:1950
112:1544 113:1369 114:1488 115:1834 116:1792 117:2033
118:2122 119:1693 120:839 121:1024 122:2372 123:1879
124:1558 125:2015 128:1391 129:912 130:610 131:1825
132:780 133:301 134:1225 135:274 136:597 137:886
138:2168 139:990 140:596 141:876 142:865 143:1162
144:947 145:292 146:1449 147:1023 148:2036 149:1103
150:807 151:1270 152:1476 153:370 154:4694 155:901
156:3279 157:1082 158:720 159:1939 160:1716 161:1009
162:3010 163:770 164:1422 165:1227 166:541 167:1468
168:3526 169:488 170:4232 171:747 172:1857 173:2354
174:1036 175:1008 176:2617 177:4105 178:2902 179:1446
180:2198 181:2356 182:2836 183:1118 184:2388 185:16009
186:3734 187:2540 188:3629 189:2086 190:8267 191:1506
192:10235 193:7305 194:5973 195:4287 196:3373 197:1860
198:6121 199:5936 200:7168 201:5126 202:10402 203:10224
204:4552 205:3073 206:3243 207:3268 208:4012 209:4358
210:4003 211:1992 212:3236 213:3015 214:1169 215:53
216:5933 217:2333 218:897 219:605 220:1976 221:921
222:1013 223:1398
End of report
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