[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 6 18:03:43 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 07 Nov, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 829471
Prefixes after maximum aggregation (per Origin AS): 316605
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 397281
Total ASes present in the Internet Routing Table: 69852
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 60030
Origin ASes announcing only one prefix: 24882
Transit ASes present in the Internet Routing Table: 9822
Transit-only ASes present in the Internet Routing Table: 293
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 32
Max AS path prepend of ASN ( 45582) 27
Prefixes from unregistered ASNs in the Routing Table: 927
Number of instances of unregistered ASNs: 928
Number of 32-bit ASNs allocated by the RIRs: 34064
Number of 32-bit ASNs visible in the Routing Table: 28189
Prefixes from 32-bit ASNs in the Routing Table: 128769
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: 500
Number of addresses announced to Internet: 2866260224
Equivalent to 170 /8s, 215 /16s and 169 /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: 279452
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 217317
Total APNIC prefixes after maximum aggregation: 63684
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 212932
Unique aggregates announced from the APNIC address blocks: 87129
APNIC Region origin ASes present in the Internet Routing Table: 11003
APNIC Prefixes per ASN: 19.35
APNIC Region origin ASes announcing only one prefix: 3106
APNIC Region transit ASes present in the Internet Routing Table: 1607
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: 6125
Number of APNIC addresses announced to Internet: 779274112
Equivalent to 46 /8s, 114 /16s and 199 /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: 241717
Total ARIN prefixes after maximum aggregation: 111410
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 239568
Unique aggregates announced from the ARIN address blocks: 114900
ARIN Region origin ASes present in the Internet Routing Table: 18677
ARIN Prefixes per ASN: 12.83
ARIN Region origin ASes announcing only one prefix: 6810
ARIN Region transit ASes present in the Internet Routing Table: 1902
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: 3529
Number of ARIN addresses announced to Internet: 1093668096
Equivalent to 65 /8s, 48 /16s and 13 /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: 233601
Total RIPE prefixes after maximum aggregation: 110021
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 229642
Unique aggregates announced from the RIPE address blocks: 136835
RIPE Region origin ASes present in the Internet Routing Table: 27501
RIPE Prefixes per ASN: 8.35
RIPE Region origin ASes announcing only one prefix: 11866
RIPE Region transit ASes present in the Internet Routing Table: 3902
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9644
Number of RIPE addresses announced to Internet: 709418112
Equivalent to 42 /8s, 72 /16s and 220 /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: 111613
Total LACNIC prefixes after maximum aggregation: 26031
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 112829
Unique aggregates announced from the LACNIC address blocks: 47868
LACNIC Region origin ASes present in the Internet Routing Table: 10573
LACNIC Prefixes per ASN: 10.67
LACNIC Region origin ASes announcing only one prefix: 2612
LACNIC Region transit ASes present in the Internet Routing Table: 1957
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8160
Number of LACNIC addresses announced to Internet: 174774528
Equivalent to 10 /8s, 106 /16s and 217 /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: 24294
Total AfriNIC prefixes after maximum aggregation: 4745
AfriNIC Deaggregation factor: 5.12
Prefixes being announced from the AfriNIC address blocks: 34000
Unique aggregates announced from the AfriNIC address blocks: 10134
AfriNIC Region origin ASes present in the Internet Routing Table: 1413
AfriNIC Prefixes per ASN: 24.06
AfriNIC Region origin ASes announcing only one prefix: 487
AfriNIC Region transit ASes present in the Internet Routing Table: 293
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: 731
Number of AfriNIC addresses announced to Internet: 108634880
Equivalent to 6 /8s, 121 /16s and 163 /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 5709 775 682 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4745 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3561 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3256 1896 54 VNPT-AS-VN VNPT Corp, VN
7713 2995 907 601 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2559 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2349 11102 553 KIXS-AS-KR Korea Telecom, KR
9498 2280 450 232 BBIL-AP BHARTI Airtel Ltd., IN
4755 2142 441 190 TATACOMM-AS TATA Communications formerl
9394 2044 4914 18 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 4682 311 759 CABLEONE, US
16509 4416 9023 2028 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3690 2992 189 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3353 1323 81 SHAW, CA
16625 3125 1638 2230 AKAMAI-AS, US
209 2513 5059 512 CENTURYLINK-US-LEGACY-QWEST, US
30036 2472 367 116 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2312 2981 1625 FRONTIER-FRTR, US
20115 2165 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
12479 6218 1636 141 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3432 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3259 3347 204 AKAMAI-ASN1, EU
12389 2813 2279 881 ROSTELECOM-AS, RU
47331 2466 421 1841 TTNET, TR
9009 2168 223 1181 M247, GB
34984 2153 352 580 TELLCOM-AS, TR
13188 1611 100 26 TRIOLAN, UA
58224 1347 847 540 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 8137 3437 607 Uninet S.A. de C.V., MX
10620 3398 529 535 Telmex Colombia S.A., CO
11830 2561 369 63 Instituto Costarricense de Electricidad
13999 1488 451 403 Mega Cable, S.A. de C.V., MX
7303 1478 952 267 Telecom Argentina S.A., AR
6503 1471 312 474 Axtel, S.A.B. de C.V., MX
28573 1355 2257 222 CLARO S.A., BR
3816 1161 573 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1147 379 39 Telefonica del Peru S.A.A., PE
11664 1015 214 413 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 1575 393 22 LINKdotNET-AS, EG
24835 1285 470 26 RAYA-AS, EG
36992 1198 1528 129 ETISALAT-MISR, EG
36903 918 480 94 MT-MPLS, MA
29571 708 68 12 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 493 46 15 WANANCHI-, KE
37342 476 32 1 MOVITEL, MZ
36935 456 522 40 Vodafone-, EG
36914 358 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 8137 3437 607 Uninet S.A. de C.V., MX
12479 6218 1636 141 UNI2-AS, ES
7545 5709 775 682 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4745 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4682 311 759 CABLEONE, US
16509 4416 9023 2028 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3690 2992 189 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
7552 3561 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 6218 6077 UNI2-AS, ES
7545 5709 5027 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4745 4672 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4682 3923 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3561 3540 VIETEL-AS-AP Viettel Group, VN
22773 3690 3501 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3432 3387 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3353 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
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
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US
22280 UNALLOCATED 12.10.217.0/24 701 UUNET, 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
23.168.144.0/24 Origin: 398960 MAINNET, US
Transit: 395823 DOOF, 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
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
/13:578 /14:1173 /15:1933 /16:13476 /17:8279 /18:14033
/19:25643 /20:41510 /21:50047 /22:102758 /23:86946 /24:481397
/25:1244 /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 5189 6218 UNI2-AS, ES
11492 3783 4682 CABLEONE, US
6327 3151 3353 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
8551 2892 3432 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2845 3690 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2836 8137 Uninet S.A. de C.V., MX
39891 2801 3652 ALJAWWALSTC-AS, SA
30036 2215 2472 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1995 2312 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1883 2:1188 3:33 4:19 5:3589 6:53
8:1473 9:1 11:1 12:1764 13:343 14:2377
15:72 16:11 17:306 18:91 20:113 23:4006
24:2338 25:3 27:2600 31:2148 32:114 34:1
35:39 36:1055 37:3475 38:1919 39:443 40:150
41:3777 42:622 43:2138 44:223 45:14832 46:3602
47:321 49:1572 50:1660 51:90 52:1131 54:221
55:684 56:6 57:53 58:1791 59:1158 60:811
61:2330 62:2224 63:2014 64:5268 65:2390 66:5103
67:2919 68:1184 69:4077 70:1405 71:683 72:3006
74:2542 75:1461 76:689 77:1982 78:2159 79:2669
80:2047 81:1615 82:1318 83:1076 84:1264 85:2786
86:619 87:1792 88:1458 89:2869 90:381 91:7148
92:1603 93:2509 94:2844 95:3612 96:1241 97:342
98:953 99:979 100:88 101:1022 102:1160 103:24751
104:3604 105:383 106:893 107:2111 108:695 109:3721
110:1983 111:2319 112:1668 113:1540 114:1523 115:1847
116:1851 117:2105 118:2254 119:1784 120:874 121:1026
122:2313 123:2102 124:1618 125:2146 128:1368 129:1240
130:747 131:1914 132:751 133:312 134:1363 135:329
136:667 137:891 138:2295 139:1138 140:765 141:1099
142:984 143:1243 144:1150 145:326 146:1371 147:1232
148:2148 149:1210 150:754 151:1307 152:1568 153:437
154:3305 155:1247 156:2460 157:1114 158:895 159:2028
160:2000 161:1081 162:3186 163:910 164:1517 165:1301
166:592 167:1705 168:3579 169:616 170:4259 171:770
172:2003 173:2916 174:962 175:1061 176:2872 177:4301
178:2767 179:1872 180:2254 181:2553 182:3148 183:1492
184:2437 185:17255 186:3939 187:3074 188:3278 189:2658
190:9090 191:1376 192:10580 193:7750 194:6339 195:4540
196:3145 197:2216 198:6029 199:5915 200:7339 201:5267
202:10560 203:10176 204:4642 205:3083 206:3243 207:3286
208:3991 209:4508 210:4199 211:2077 212:3523 213:3316
214:1198 215:60 216:6104 217:2484 218:852 219:631
220:2057 221:921 222:970 223:1672
End of report
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