[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 20 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 21 Nov, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 835774
Prefixes after maximum aggregation (per Origin AS): 319021
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 398314
Total ASes present in the Internet Routing Table: 69979
Prefixes per ASN: 11.94
Origin-only ASes present in the Internet Routing Table: 60139
Origin ASes announcing only one prefix: 24893
Transit ASes present in the Internet Routing Table: 9840
Transit-only ASes present in the Internet Routing Table: 299
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 35
Max AS path prepend of ASN ( 45582) 27
Prefixes from unregistered ASNs in the Routing Table: 935
Number of instances of unregistered ASNs: 936
Number of 32-bit ASNs allocated by the RIRs: 34200
Number of 32-bit ASNs visible in the Routing Table: 28331
Prefixes from 32-bit ASNs in the Routing Table: 129951
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: 462
Number of addresses announced to Internet: 2865990144
Equivalent to 170 /8s, 211 /16s and 138 /24s
Percentage of available address space announced: 77.4
Percentage of allocated address space announced: 77.4
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: 284118
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 217658
Total APNIC prefixes after maximum aggregation: 63654
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 213242
Unique aggregates announced from the APNIC address blocks: 87121
APNIC Region origin ASes present in the Internet Routing Table: 11033
APNIC Prefixes per ASN: 19.33
APNIC Region origin ASes announcing only one prefix: 3128
APNIC Region transit ASes present in the Internet Routing Table: 1609
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6156
Number of APNIC addresses announced to Internet: 779023744
Equivalent to 46 /8s, 110 /16s and 245 /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, 131072-143673
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: 242531
Total ARIN prefixes after maximum aggregation: 111606
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 240572
Unique aggregates announced from the ARIN address blocks: 115191
ARIN Region origin ASes present in the Internet Routing Table: 18691
ARIN Prefixes per ASN: 12.87
ARIN Region origin ASes announcing only one prefix: 6810
ARIN Region transit ASes present in the Internet Routing Table: 1920
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3557
Number of ARIN addresses announced to Internet: 1093792000
Equivalent to 65 /8s, 49 /16s and 241 /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, 393216-401308
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: 238274
Total RIPE prefixes after maximum aggregation: 112098
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 234322
Unique aggregates announced from the RIPE address blocks: 137329
RIPE Region origin ASes present in the Internet Routing Table: 27535
RIPE Prefixes per ASN: 8.51
RIPE Region origin ASes announcing only one prefix: 11861
RIPE Region transit ASes present in the Internet Routing Table: 3893
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9689
Number of RIPE addresses announced to Internet: 709712512
Equivalent to 42 /8s, 77 /16s and 90 /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
196608-213403
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: 111924
Total LACNIC prefixes after maximum aggregation: 26173
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 113028
Unique aggregates announced from the LACNIC address blocks: 47967
LACNIC Region origin ASes present in the Internet Routing Table: 10604
LACNIC Prefixes per ASN: 10.66
LACNIC Region origin ASes announcing only one prefix: 2606
LACNIC Region transit ASes present in the Internet Routing Table: 1959
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 33
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8196
Number of LACNIC addresses announced to Internet: 174339584
Equivalent to 10 /8s, 100 /16s and 54 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 24450
Total AfriNIC prefixes after maximum aggregation: 4752
AfriNIC Deaggregation factor: 5.15
Prefixes being announced from the AfriNIC address blocks: 34148
Unique aggregates announced from the AfriNIC address blocks: 10300
AfriNIC Region origin ASes present in the Internet Routing Table: 1412
AfriNIC Prefixes per ASN: 24.18
AfriNIC Region origin ASes announcing only one prefix: 487
AfriNIC Region transit ASes present in the Internet Routing Table: 289
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 733
Number of AfriNIC addresses announced to Internet: 108683776
Equivalent to 6 /8s, 122 /16s and 98 /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 5748 778 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4748 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3584 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3261 1896 55 VNPT-AS-VN VNPT Corp, VN
7713 3032 913 538 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2502 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2353 11103 553 KIXS-AS-KR Korea Telecom, KR
9498 2293 466 232 BBIL-AP BHARTI Airtel Ltd., IN
4755 2134 441 189 TATACOMM-AS TATA Communications formerl
45090 2055 1045 63 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
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 4717 313 750 CABLEONE, US
16509 4459 9050 2061 AMAZON-02, US
7155 4035 264 32 VIASAT-SP-BACKBONE, US
22773 3734 2995 198 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3347 1323 82 SHAW, CA
16625 3169 1654 2253 AKAMAI-AS, US
209 2495 5061 511 CENTURYLINK-US-LEGACY-QWEST, US
30036 2482 368 98 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2314 2982 1626 FRONTIER-FRTR, US
20115 2164 2895 506 CHARTER-20115, 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
47331 6820 937 3630 TTNET, TR
12479 6207 1667 142 UNI2-AS, ES
39891 3459 195 22 ALJAWWALSTC-AS, SA
8551 3321 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3298 3347 202 AKAMAI-ASN1, EU
12389 2853 2280 885 ROSTELECOM-AS, RU
9009 2188 226 1192 M247, GB
34984 2172 354 576 TELLCOM-AS, TR
13188 1611 100 26 TRIOLAN, UA
58224 1384 852 540 TCI, IR
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 8127 3441 596 Uninet S.A. de C.V., MX
10620 3391 528 569 Telmex Colombia S.A., CO
11830 2563 369 63 Instituto Costarricense de Electricidad
13999 1489 426 402 Mega Cable, S.A. de C.V., MX
6503 1470 312 474 Axtel, S.A.B. de C.V., MX
7303 1469 943 268 Telecom Argentina S.A., AR
28573 1355 2257 224 CLARO S.A., BR
3816 1162 576 166 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1148 379 39 Telefonica del Peru S.A.A., PE
11664 1005 213 418 Techtel LMDS Comunicaciones Interactiva
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 1546 393 22 LINKdotNET-AS, EG
24835 1285 470 26 RAYA-AS, EG
36992 1218 1529 131 ETISALAT-MISR, EG
36903 918 480 94 MT-MPLS, MA
29571 711 68 12 ORANGE-COTE-IVOIRE, CI
6713 552 1863 34 IAM-AS, MA
15399 488 46 16 WANANCHI-, KE
37342 476 32 1 MOVITEL, MZ
36935 456 522 40 Vodafone-, EG
36914 368 82 3 KENET-AS, 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 8127 3441 596 Uninet S.A. de C.V., MX
47331 6820 937 3630 TTNET, TR
12479 6207 1667 142 UNI2-AS, ES
7545 5748 778 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4748 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4717 313 750 CABLEONE, US
16509 4459 9050 2061 AMAZON-02, US
7155 4035 264 32 VIASAT-SP-BACKBONE, US
22773 3734 2995 198 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3584 1330 21 VIETEL-AS-AP Viettel Group, VN
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 6207 6065 UNI2-AS, ES
7545 5748 5074 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4748 4675 ERX-CERNET-BKB China Education and Research Net
7155 4035 4003 VIASAT-SP-BACKBONE, US
11492 4717 3967 CABLEONE, US
7552 3584 3563 VIETEL-AS-AP Viettel Group, VN
22773 3734 3536 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3459 3437 ALJAWWALSTC-AS, SA
8551 3321 3276 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3347 3265 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
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
393489 UNALLOCATED 12.7.109.0/24 7018 ATT-INTERNET4, US
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 397294 UNASSIGNED
Transit: 398559 TUNBROKER, 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 No. 14, Jala
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
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 /8:8 /9:13 /10:40 /11:101 /12:292
/13:577 /14:1178 /15:1932 /16:13476 /17:8268 /18:14047
/19:25677 /20:41494 /21:50442 /22:103273 /23:87562 /24:486154
/25:1240 /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
47331 6012 6820 TTNET, TR
12479 5175 6207 UNI2-AS, ES
11492 3813 4717 CABLEONE, US
6327 3143 3347 SHAW, CA
7155 3123 4035 VIASAT-SP-BACKBONE, US
22773 2861 3734 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2839 8127 Uninet S.A. de C.V., MX
39891 2801 3459 ALJAWWALSTC-AS, SA
8551 2781 3321 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2224 2482 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1885 2:1208 3:33 4:19 5:3401 6:53
8:1487 9:1 11:1 12:1761 13:347 14:2391
15:72 16:12 17:306 18:91 20:113 23:4058
24:2361 25:3 27:2345 31:2148 32:111 34:1
35:39 36:1086 37:3464 38:2003 39:444 40:151
41:3813 42:626 43:2136 44:226 45:14969 46:3611
47:321 49:1575 50:1678 51:89 52:1127 54:215
55:761 56:7 57:53 58:1792 59:1139 60:817
61:2327 62:2213 63:2009 64:5270 65:2383 66:5109
67:2926 68:1169 69:4105 70:1406 71:684 72:3005
74:2545 75:1462 76:687 77:2043 78:3313 79:2582
80:2040 81:1696 82:1378 83:1080 84:1265 85:3188
86:618 87:1789 88:2531 89:2878 90:387 91:7139
92:1643 93:2537 94:2881 95:4270 96:1241 97:340
98:956 99:979 100:89 101:1033 102:1150 103:24857
104:3629 105:375 106:899 107:2155 108:691 109:3722
110:1986 111:2333 112:1656 113:1535 114:1524 115:1851
116:1857 117:2097 118:2259 119:1791 120:935 121:1028
122:2295 123:2114 124:1621 125:2145 128:1372 129:1244
130:765 131:1995 132:753 133:312 134:1388 135:329
136:678 137:899 138:2290 139:1156 140:764 141:1144
142:1028 143:1246 144:1209 145:333 146:1356 147:1236
148:2168 149:1242 150:756 151:1193 152:1595 153:442
154:3291 155:1286 156:2483 157:1122 158:906 159:2031
160:2003 161:1068 162:3190 163:911 164:1518 165:1322
166:593 167:1704 168:3591 169:626 170:4291 171:747
172:2006 173:2925 174:957 175:1061 176:2875 177:4354
178:2788 179:1895 180:2274 181:2569 182:3157 183:1502
184:2436 185:17417 186:3952 187:2977 188:3288 189:2700
190:9135 191:1369 192:10580 193:7847 194:6390 195:4552
196:3107 197:2225 198:6056 199:5904 200:7333 201:5264
202:10554 203:10185 204:4648 205:3093 206:3285 207:3304
208:4012 209:4526 210:4201 211:2082 212:3552 213:3176
214:1197 215:60 216:6150 217:2492 218:862 219:631
220:2046 221:926 222:969 223:1681
End of report
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