[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 11 18:03:32 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 12 Dec, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 833024
Prefixes after maximum aggregation (per Origin AS): 319019
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 399101
Total ASes present in the Internet Routing Table: 70094
Prefixes per ASN: 11.88
Origin-only ASes present in the Internet Routing Table: 60270
Origin ASes announcing only one prefix: 24923
Transit ASes present in the Internet Routing Table: 9824
Transit-only ASes present in the Internet Routing Table: 286
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1079
Number of instances of unregistered ASNs: 1080
Number of 32-bit ASNs allocated by the RIRs: 34384
Number of 32-bit ASNs visible in the Routing Table: 28526
Prefixes from 32-bit ASNs in the Routing Table: 130841
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: 531
Number of addresses announced to Internet: 2864277120
Equivalent to 170 /8s, 185 /16s and 102 /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: 283782
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 217228
Total APNIC prefixes after maximum aggregation: 64069
APNIC Deaggregation factor: 3.39
Prefixes being announced from the APNIC address blocks: 213269
Unique aggregates announced from the APNIC address blocks: 87397
APNIC Region origin ASes present in the Internet Routing Table: 11101
APNIC Prefixes per ASN: 19.21
APNIC Region origin ASes announcing only one prefix: 3153
APNIC Region transit ASes present in the Internet Routing Table: 1603
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6224
Number of APNIC addresses announced to Internet: 778323968
Equivalent to 46 /8s, 100 /16s and 72 /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: 240688
Total ARIN prefixes after maximum aggregation: 111288
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 240949
Unique aggregates announced from the ARIN address blocks: 115360
ARIN Region origin ASes present in the Internet Routing Table: 18690
ARIN Prefixes per ASN: 12.89
ARIN Region origin ASes announcing only one prefix: 6809
ARIN Region transit ASes present in the Internet Routing Table: 1913
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3604
Number of ARIN addresses announced to Internet: 1093117952
Equivalent to 65 /8s, 39 /16s and 168 /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: 237159
Total RIPE prefixes after maximum aggregation: 111900
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 233076
Unique aggregates announced from the RIPE address blocks: 137705
RIPE Region origin ASes present in the Internet Routing Table: 27564
RIPE Prefixes per ASN: 8.46
RIPE Region origin ASes announcing only one prefix: 11851
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: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9735
Number of RIPE addresses announced to Internet: 709722752
Equivalent to 42 /8s, 77 /16s and 130 /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: 112113
Total LACNIC prefixes after maximum aggregation: 26185
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 113225
Unique aggregates announced from the LACNIC address blocks: 47917
LACNIC Region origin ASes present in the Internet Routing Table: 10626
LACNIC Prefixes per ASN: 10.66
LACNIC Region origin ASes announcing only one prefix: 2626
LACNIC Region transit ASes present in the Internet Routing Table: 1967
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: 8216
Number of LACNIC addresses announced to Internet: 174113024
Equivalent to 10 /8s, 96 /16s and 193 /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: 24755
Total AfriNIC prefixes after maximum aggregation: 4791
AfriNIC Deaggregation factor: 5.17
Prefixes being announced from the AfriNIC address blocks: 31974
Unique aggregates announced from the AfriNIC address blocks: 10289
AfriNIC Region origin ASes present in the Internet Routing Table: 1420
AfriNIC Prefixes per ASN: 22.52
AfriNIC Region origin ASes announcing only one prefix: 483
AfriNIC Region transit ASes present in the Internet Routing Table: 287
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: 747
Number of AfriNIC addresses announced to Internet: 108557312
Equivalent to 6 /8s, 120 /16s and 116 /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 5676 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4755 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3577 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3227 952 519 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2842 1896 55 VNPT-AS-VN VNPT Corp, VN
9808 2574 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2356 11104 565 KIXS-AS-KR Korea Telecom, KR
9498 2297 466 232 BBIL-AP BHARTI Airtel Ltd., IN
4755 2133 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 4755 315 695 CABLEONE, US
16509 4501 9066 2085 AMAZON-02, US
7155 4019 264 32 VIASAT-SP-BACKBONE, US
22773 3739 2994 196 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3357 1319 83 SHAW, CA
16625 3124 1641 2247 AKAMAI-AS, US
209 2525 5059 511 CENTURYLINK-US-LEGACY-QWEST, US
30036 2487 370 113 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2336 2984 1643 FRONTIER-FRTR, US
20115 2165 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 6502 900 3642 TTNET, TR
12479 6226 1667 141 UNI2-AS, ES
39891 3459 195 22 ALJAWWALSTC-AS, SA
20940 3330 3347 200 AKAMAI-ASN1, EU
8551 3237 379 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2881 2282 892 ROSTELECOM-AS, RU
9009 2235 231 1219 M247, GB
34984 2167 351 576 TELLCOM-AS, TR
13188 1610 100 31 TRIOLAN, UA
58224 1449 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 8187 3442 603 Uninet S.A. de C.V., MX
10620 3396 526 550 Telmex Colombia S.A., CO
11830 2565 369 63 Instituto Costarricense de Electricidad
13999 1561 430 411 Mega Cable, S.A. de C.V., MX
6503 1444 311 475 Axtel, S.A.B. de C.V., MX
7303 1435 909 262 Telecom Argentina S.A., AR
28573 1371 2259 223 CLARO S.A., BR
6147 1147 379 39 Telefonica del Peru S.A.A., PE
3816 1113 537 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 999 212 418 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 1567 393 22 LINKdotNET-AS, EG
24835 1288 480 25 RAYA-AS, EG
36992 1206 1529 133 ETISALAT-MISR, EG
36903 950 496 96 MT-MPLS, MA
29571 709 68 12 ORANGE-COTE-IVOIRE, CI
6713 533 1863 34 IAM-AS, MA
15399 485 46 17 WANANCHI-, KE
37342 478 32 1 MOVITEL, MZ
36935 464 522 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 8187 3442 603 Uninet S.A. de C.V., MX
47331 6502 900 3642 TTNET, TR
12479 6226 1667 141 UNI2-AS, ES
7545 5676 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4755 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4755 315 695 CABLEONE, US
16509 4501 9066 2085 AMAZON-02, US
7155 4019 264 32 VIASAT-SP-BACKBONE, US
22773 3739 2994 196 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3577 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 6226 6085 UNI2-AS, ES
7545 5676 5015 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4755 4682 ERX-CERNET-BKB China Education and Research Net
11492 4755 4060 CABLEONE, US
7155 4019 3987 VIASAT-SP-BACKBONE, US
7552 3577 3556 VIETEL-AS-AP Viettel Group, VN
22773 3739 3543 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3459 3437 ALJAWWALSTC-AS, SA
6327 3357 3274 SHAW, CA
8551 3237 3194 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
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
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
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
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
/13:579 /14:1175 /15:1932 /16:13469 /17:8249 /18:13675
/19:25588 /20:41340 /21:50275 /22:103262 /23:87738 /24:484046
/25:1242 /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 5724 6502 TTNET, TR
12479 5201 6226 UNI2-AS, ES
11492 3803 4755 CABLEONE, US
6327 3152 3357 SHAW, CA
7155 3108 4019 VIASAT-SP-BACKBONE, US
8151 2892 8187 Uninet S.A. de C.V., MX
22773 2867 3739 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3459 ALJAWWALSTC-AS, SA
8551 2699 3237 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2225 2487 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1879 2:1143 3:35 4:18 5:3408 6:53
8:1484 9:1 11:1 12:1759 13:351 14:2397
15:72 16:13 17:302 18:93 20:111 23:4139
24:2359 25:3 27:2340 31:2162 32:112 34:1
35:35 36:1128 37:3507 38:2000 39:476 40:150
41:3866 42:616 43:2111 44:236 45:14651 46:3618
47:322 49:1607 50:1680 51:90 52:1129 54:213
55:781 56:6 57:56 58:1691 59:1144 60:817
61:2305 62:2197 63:2016 64:5226 65:2380 66:5121
67:2951 68:1170 69:4101 70:1400 71:685 72:3090
74:2545 75:1457 76:687 77:1973 78:3178 79:2493
80:1917 81:1630 82:1297 83:1105 84:1251 85:3100
86:619 87:1784 88:2428 89:2868 90:402 91:7167
92:1590 93:2549 94:2910 95:4162 96:1228 97:341
98:968 99:976 100:90 101:1048 102:1211 103:24992
104:3616 105:390 106:775 107:2172 108:686 109:3743
110:2001 111:2346 112:1652 113:1533 114:1415 115:1853
116:1862 117:2118 118:2276 119:1863 120:939 121:1040
122:2295 123:2126 124:1631 125:2133 128:1384 129:1258
130:770 131:1996 132:746 133:311 134:1390 135:331
136:684 137:899 138:2293 139:1157 140:737 141:1161
142:1041 143:1249 144:1210 145:334 146:1361 147:1212
148:2170 149:1262 150:758 151:1201 152:1603 153:446
154:2298 155:1261 156:1353 157:1133 158:912 159:2040
160:2039 161:1078 162:3202 163:920 164:1422 165:1314
166:600 167:1719 168:3627 169:630 170:4359 171:743
172:2007 173:2923 174:966 175:1060 176:2910 177:4440
178:2785 179:1896 180:2280 181:2578 182:3160 183:1516
184:2403 185:17553 186:4025 187:3053 188:3298 189:2728
190:9091 191:1400 192:10585 193:7846 194:6379 195:4581
196:3109 197:2297 198:6010 199:5940 200:7310 201:5269
202:10566 203:10142 204:4633 205:3096 206:3295 207:3311
208:3986 209:4608 210:4193 211:2095 212:3587 213:3193
214:1189 215:61 216:6143 217:2472 218:897 219:637
220:2086 221:929 222:975 223:1701
End of report
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