[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 4 18:03:40 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 05 Dec, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 832105
Prefixes after maximum aggregation (per Origin AS): 318553
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 398591
Total ASes present in the Internet Routing Table: 70047
Prefixes per ASN: 11.88
Origin-only ASes present in the Internet Routing Table: 60215
Origin ASes announcing only one prefix: 24916
Transit ASes present in the Internet Routing Table: 9832
Transit-only ASes present in the Internet Routing Table: 298
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 35
Max AS path prepend of ASN ( 30873) 27
Prefixes from unregistered ASNs in the Routing Table: 930
Number of instances of unregistered ASNs: 931
Number of 32-bit ASNs allocated by the RIRs: 34327
Number of 32-bit ASNs visible in the Routing Table: 28445
Prefixes from 32-bit ASNs in the Routing Table: 130073
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 458
Number of addresses announced to Internet: 2864289664
Equivalent to 170 /8s, 185 /16s and 151 /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: 283123
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 217200
Total APNIC prefixes after maximum aggregation: 63839
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 213245
Unique aggregates announced from the APNIC address blocks: 87189
APNIC Region origin ASes present in the Internet Routing Table: 11079
APNIC Prefixes per ASN: 19.25
APNIC Region origin ASes announcing only one prefix: 3152
APNIC Region transit ASes present in the Internet Routing Table: 1604
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: 6202
Number of APNIC addresses announced to Internet: 778212608
Equivalent to 46 /8s, 98 /16s and 149 /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: 240769
Total ARIN prefixes after maximum aggregation: 111305
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 240950
Unique aggregates announced from the ARIN address blocks: 115468
ARIN Region origin ASes present in the Internet Routing Table: 18686
ARIN Prefixes per ASN: 12.89
ARIN Region origin ASes announcing only one prefix: 6788
ARIN Region transit ASes present in the Internet Routing Table: 1914
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: 3582
Number of ARIN addresses announced to Internet: 1093408000
Equivalent to 65 /8s, 44 /16s and 21 /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: 236644
Total RIPE prefixes after maximum aggregation: 111694
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 232642
Unique aggregates announced from the RIPE address blocks: 137427
RIPE Region origin ASes present in the Internet Routing Table: 27555
RIPE Prefixes per ASN: 8.44
RIPE Region origin ASes announcing only one prefix: 11867
RIPE Region transit ASes present in the Internet Routing Table: 3899
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9712
Number of RIPE addresses announced to Internet: 709617024
Equivalent to 42 /8s, 75 /16s and 229 /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: 111895
Total LACNIC prefixes after maximum aggregation: 26217
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 112953
Unique aggregates announced from the LACNIC address blocks: 47861
LACNIC Region origin ASes present in the Internet Routing Table: 10616
LACNIC Prefixes per ASN: 10.64
LACNIC Region origin ASes announcing only one prefix: 2629
LACNIC Region transit ASes present in the Internet Routing Table: 1961
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8210
Number of LACNIC addresses announced to Internet: 174095872
Equivalent to 10 /8s, 96 /16s and 126 /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: 24665
Total AfriNIC prefixes after maximum aggregation: 4766
AfriNIC Deaggregation factor: 5.18
Prefixes being announced from the AfriNIC address blocks: 31857
Unique aggregates announced from the AfriNIC address blocks: 10244
AfriNIC Region origin ASes present in the Internet Routing Table: 1412
AfriNIC Prefixes per ASN: 22.56
AfriNIC Region origin ASes announcing only one prefix: 479
AfriNIC Region transit ASes present in the Internet Routing Table: 286
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: 739
Number of AfriNIC addresses announced to Internet: 108610304
Equivalent to 6 /8s, 121 /16s and 67 /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 5672 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4748 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3582 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3265 1896 55 VNPT-AS-VN VNPT Corp, VN
7713 3221 936 520 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2566 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2354 11103 553 KIXS-AS-KR Korea Telecom, KR
9498 2295 466 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2136 441 189 TATACOMM-AS TATA Communications formerl
45090 2064 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 4780 317 683 CABLEONE, US
16509 4479 9059 2081 AMAZON-02, US
7155 4019 264 32 VIASAT-SP-BACKBONE, US
22773 3736 2994 197 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3356 1323 82 SHAW, CA
16625 3127 1647 2251 AKAMAI-AS, US
209 2495 5059 511 CENTURYLINK-US-LEGACY-QWEST, US
30036 2485 368 106 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2336 2984 1643 FRONTIER-FRTR, US
20115 2164 2899 504 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 6458 895 3631 TTNET, TR
12479 6223 1667 141 UNI2-AS, ES
39891 3459 195 22 ALJAWWALSTC-AS, SA
20940 3320 3347 200 AKAMAI-ASN1, EU
8551 3241 378 42 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2883 2282 891 ROSTELECOM-AS, RU
9009 2215 229 1205 M247, GB
34984 2167 351 576 TELLCOM-AS, TR
13188 1610 100 31 TRIOLAN, UA
58224 1440 853 541 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 8157 3440 604 Uninet S.A. de C.V., MX
10620 3396 526 550 Telmex Colombia S.A., CO
11830 2563 369 63 Instituto Costarricense de Electricidad
13999 1535 428 409 Mega Cable, S.A. de C.V., MX
6503 1468 311 475 Axtel, S.A.B. de C.V., MX
7303 1435 909 262 Telecom Argentina S.A., AR
28573 1362 2258 225 CLARO S.A., BR
6147 1148 379 39 Telefonica del Peru S.A.A., PE
3816 1113 537 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1006 212 419 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 1567 393 22 LINKdotNET-AS, EG
24835 1286 476 26 RAYA-AS, EG
36992 1199 1529 133 ETISALAT-MISR, EG
36903 950 496 96 MT-MPLS, MA
29571 705 68 12 ORANGE-COTE-IVOIRE, CI
6713 532 1863 34 IAM-AS, MA
15399 488 46 17 WANANCHI-, KE
37342 478 32 1 MOVITEL, MZ
36935 455 522 40 Vodafone-, EG
23889 450 232 16 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 8157 3440 604 Uninet S.A. de C.V., MX
47331 6458 895 3631 TTNET, TR
12479 6223 1667 141 UNI2-AS, ES
7545 5672 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4780 317 683 CABLEONE, US
4538 4748 4192 73 ERX-CERNET-BKB China Education and Rese
16509 4479 9059 2081 AMAZON-02, US
7155 4019 264 32 VIASAT-SP-BACKBONE, US
22773 3736 2994 197 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3582 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 6223 6082 UNI2-AS, ES
7545 5672 5011 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4748 4675 ERX-CERNET-BKB China Education and Research Net
11492 4780 4097 CABLEONE, US
7155 4019 3987 VIASAT-SP-BACKBONE, US
7552 3582 3561 VIETEL-AS-AP Viettel Group, VN
22773 3736 3539 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3459 3437 ALJAWWALSTC-AS, SA
6327 3356 3274 SHAW, CA
45899 3265 3210 VNPT-AS-VN VNPT Corp, VN
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
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, 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
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
/13:578 /14:1175 /15:1932 /16:13464 /17:8246 /18:14065
/19:25621 /20:41317 /21:50267 /22:103131 /23:87580 /24:483038
/25:1237 /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 5677 6458 TTNET, TR
12479 5197 6223 UNI2-AS, ES
11492 3831 4780 CABLEONE, US
6327 3152 3356 SHAW, CA
7155 3108 4019 VIASAT-SP-BACKBONE, US
8151 2872 8157 Uninet S.A. de C.V., MX
22773 2865 3736 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3459 ALJAWWALSTC-AS, SA
8551 2703 3241 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2225 2485 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1871 2:1162 3:35 4:18 5:3415 6:53
8:1492 9:1 11:1 12:1762 13:351 14:2381
15:72 16:12 17:304 18:93 20:113 23:4092
24:2365 25:3 27:2335 31:2164 32:112 34:1
35:35 36:1108 37:3474 38:1991 39:469 40:150
41:3831 42:625 43:2109 44:231 45:14609 46:3607
47:323 49:1579 50:1674 51:90 52:1127 54:212
55:769 56:7 57:55 58:1693 59:1139 60:814
61:2310 62:2197 63:2008 64:5219 65:2374 66:5123
67:2934 68:1169 69:4116 70:1394 71:685 72:3092
74:2552 75:1457 76:687 77:1971 78:3152 79:2494
80:1879 81:1635 82:1298 83:1100 84:1243 85:3078
86:618 87:1786 88:2413 89:2865 90:393 91:7180
92:1604 93:2545 94:2908 95:4157 96:1229 97:341
98:967 99:976 100:89 101:1041 102:1199 103:24960
104:3644 105:387 106:770 107:2171 108:687 109:3746
110:1995 111:2342 112:1650 113:1536 114:1513 115:1854
116:1860 117:2103 118:2273 119:1837 120:939 121:1035
122:2278 123:2119 124:1633 125:2136 128:1397 129:1252
130:768 131:2003 132:750 133:311 134:1395 135:330
136:681 137:899 138:2280 139:1156 140:771 141:1148
142:1023 143:1258 144:1209 145:334 146:1358 147:1242
148:2170 149:1260 150:758 151:1196 152:1586 153:445
154:2275 155:1260 156:1346 157:1119 158:904 159:2037
160:2032 161:1077 162:3194 163:918 164:1417 165:1317
166:595 167:1718 168:3608 169:629 170:4363 171:745
172:2008 173:2924 174:969 175:1060 176:2849 177:4398
178:2781 179:1885 180:2279 181:2563 182:3158 183:1509
184:2435 185:17413 186:4057 187:2997 188:3303 189:2720
190:9040 191:1358 192:10604 193:7839 194:6349 195:4571
196:3096 197:2293 198:6012 199:5901 200:7289 201:5240
202:10554 203:10139 204:4644 205:3088 206:3287 207:3298
208:4005 209:4592 210:4211 211:2077 212:3593 213:3208
214:1190 215:60 216:6171 217:2481 218:867 219:626
220:2060 221:928 222:974 223:1676
End of report
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