[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 24 18:03:59 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 25 Jan, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 792806
Prefixes after maximum aggregation (per Origin AS): 301689
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 387892
Total ASes present in the Internet Routing Table: 66795
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 57383
Origin ASes announcing only one prefix: 24135
Transit ASes present in the Internet Routing Table: 9412
Transit-only ASes present in the Internet Routing Table: 291
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 34
Max AS path prepend of ASN (206156) 26
Prefixes from unregistered ASNs in the Routing Table: 1310
Number of instances of unregistered ASNs: 1310
Number of 32-bit ASNs allocated by the RIRs: 30286
Number of 32-bit ASNs visible in the Routing Table: 24906
Prefixes from 32-bit ASNs in the Routing Table: 114350
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 895
Number of addresses announced to Internet: 2852684672
Equivalent to 170 /8s, 8 /16s and 131 /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: 265507
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 210634
Total APNIC prefixes after maximum aggregation: 61288
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 204262
Unique aggregates announced from the APNIC address blocks: 84939
APNIC Region origin ASes present in the Internet Routing Table: 10299
APNIC Prefixes per ASN: 19.83
APNIC Region origin ASes announcing only one prefix: 2849
APNIC Region transit ASes present in the Internet Routing Table: 1546
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5357
Number of APNIC addresses announced to Internet: 768077056
Equivalent to 45 /8s, 199 /16s and 237 /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: 233323
Total ARIN prefixes after maximum aggregation: 107360
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 231005
Unique aggregates announced from the ARIN address blocks: 116626
ARIN Region origin ASes present in the Internet Routing Table: 18389
ARIN Prefixes per ASN: 12.56
ARIN Region origin ASes announcing only one prefix: 6760
ARIN Region transit ASes present in the Internet Routing Table: 1910
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3139
Number of ARIN addresses announced to Internet: 1078903808
Equivalent to 64 /8s, 78 /16s and 196 /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: 223883
Total RIPE prefixes after maximum aggregation: 104142
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 220672
Unique aggregates announced from the RIPE address blocks: 130268
RIPE Region origin ASes present in the Internet Routing Table: 26746
RIPE Prefixes per ASN: 8.25
RIPE Region origin ASes announcing only one prefix: 11678
RIPE Region transit ASes present in the Internet Routing Table: 3774
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: 8849
Number of RIPE addresses announced to Internet: 723569792
Equivalent to 43 /8s, 32 /16s and 204 /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: 102646
Total LACNIC prefixes after maximum aggregation: 23681
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 103793
Unique aggregates announced from the LACNIC address blocks: 45214
LACNIC Region origin ASes present in the Internet Routing Table: 9347
LACNIC Prefixes per ASN: 11.10
LACNIC Region origin ASes announcing only one prefix: 2376
LACNIC Region transit ASes present in the Internet Routing Table: 1764
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: 6920
Number of LACNIC addresses announced to Internet: 174043648
Equivalent to 10 /8s, 95 /16s and 178 /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: 21009
Total AfriNIC prefixes after maximum aggregation: 4443
AfriNIC Deaggregation factor: 4.73
Prefixes being announced from the AfriNIC address blocks: 32179
Unique aggregates announced from the AfriNIC address blocks: 10047
AfriNIC Region origin ASes present in the Internet Routing Table: 1343
AfriNIC Prefixes per ASN: 23.96
AfriNIC Region origin ASes announcing only one prefix: 472
AfriNIC Region transit ASes present in the Internet Routing Table: 264
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 641
Number of AfriNIC addresses announced to Internet: 107534592
Equivalent to 6 /8s, 104 /16s and 217 /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 5250 642 599 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4622 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3318 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3122 1786 108 VNPT-AS-VN VNPT Corp, VN
7713 2697 813 498 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2606 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2265 11101 566 KIXS-AS-KR Korea Telecom, KR
9498 2221 433 212 BBIL-AP BHARTI Airtel Ltd., IN
9829 2156 1377 246 BSNL-NIB National Internet Backbone, IN
4755 2137 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 3907 259 651 CABLEONE, US
16509 3789 7730 1676 AMAZON-02, US
22773 3521 2971 152 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3364 1324 93 SHAW, CA
16625 2966 1555 2129 AKAMAI-AS, US
30036 2284 358 92 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2247 5075 532 CENTURYLINK-US-LEGACY-QWEST, US
20115 2136 2774 519 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 5846 1630 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3423 484 13 KABELDEUTSCHLAND-AS, DE
8551 3104 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2803 460 1942 AKAMAI-ASN1, US
12389 2420 2244 700 ROSTELECOM-AS, RU
9009 2071 223 1118 M247, GB
34984 2066 348 556 TELLCOM-AS, TR
9121 1931 1691 18 TTNET, TR
13188 1605 100 46 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 6192 3295 610 Uninet S.A. de C.V., MX
10620 3352 533 470 Telmex Colombia S.A., CO
11830 2680 369 63 Instituto Costarricense de Electricidad
6503 1683 323 390 Axtel, S.A.B. de C.V., MX
7303 1480 1026 265 Telecom Argentina S.A., AR
28573 1249 2235 194 CLARO S.A., BR
13999 1168 504 285 Mega Cable, S.A. de C.V., MX
3816 1123 561 133 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1092 379 39 Telefonica del Peru S.A.A., PE
11172 953 112 68 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
24835 1059 558 23 RAYA-AS, EG
24863 1042 393 23 LINKdotNET-AS, EG
36992 1034 1535 73 ETISALAT-MISR, EG
36903 876 452 97 MT-MPLS, MA
6713 619 1863 34 IAM-AS, MA
29571 560 68 12 ORANGE-COTE-IVOIRE, CI
37342 402 32 1 MOVITEL, MZ
36935 371 522 42 Vodafone-, EG
15399 352 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 6192 3295 610 Uninet S.A. de C.V., MX
12479 5846 1630 135 UNI2-AS, ES
7545 5250 642 599 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 3907 259 651 CABLEONE, US
16509 3789 7730 1676 AMAZON-02, US
22773 3521 2971 152 ASN-CXA-ALL-CCI-22773-RDC, US
31334 3423 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 5846 5711 UNI2-AS, ES
7545 5250 4651 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 3423 3410 KABELDEUTSCHLAND-AS, DE
22773 3521 3369 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3318 3294 VIETEL-AS-AP Viettel Group, VN
6327 3364 3271 SHAW, CA
11492 3907 3256 CABLEONE, US
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 /14:1158 /15:1919 /16:13371 /17:8171 /18:13880
/19:25797 /20:40454 /21:47564 /22:98314 /23:80812 /24:459006
/25:1336 /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 4818 5846 UNI2-AS, ES
31334 3268 3423 KABELDEUTSCHLAND-AS, DE
6327 3152 3364 SHAW, CA
7155 3139 4047 VIASAT-SP-BACKBONE, US
11492 3050 3907 CABLEONE, US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2740 3521 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2564 3104 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2034 2284 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 2028 2680 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)
----------------------------------------------
1:1523 2:1155 3:24 4:19 5:3232 6:48
8:1375 9:1 12:1788 13:492 14:2221 15:63
16:9 17:283 18:79 20:58 23:3231 24:2621
25:4 27:2519 31:2860 32:101 35:44 36:931
37:3187 38:1827 39:314 40:134 41:3288 42:872
43:2126 44:189 45:12985 46:3624 47:275 49:1432
50:1562 51:344 52:1109 54:272 55:646 56:6
57:48 58:1887 59:1118 60:687 61:2220 62:2146
63:1911 64:5036 65:2327 66:4854 67:2844 68:1230
69:3821 70:1412 71:670 72:2779 74:2619 75:1436
76:667 77:2556 78:1987 79:2377 80:1836 81:1554
82:1203 83:1112 84:1231 85:2586 86:587 87:1692
88:1074 89:2682 90:286 91:7497 92:1452 93:2434
94:2571 95:3709 96:1011 97:337 98:961 99:965
100:84 101:1083 102:794 103:22994 104:3610 105:371
106:826 107:1869 108:698 109:3612 110:1779 111:1920
112:1545 113:1373 114:1502 115:1841 116:1796 117:2028
118:2112 119:1691 120:836 121:1032 122:2372 123:1885
124:1558 125:2019 128:1379 129:912 130:602 131:1846
132:779 133:301 134:1261 135:273 136:604 137:888
138:2193 139:993 140:596 141:878 142:860 143:1157
144:948 145:293 146:1470 147:1016 148:1901 149:1099
150:809 151:1269 152:1474 153:370 154:4661 155:926
156:3280 157:1090 158:712 159:1947 160:1717 161:992
162:3012 163:772 164:1429 165:1229 166:539 167:1469
168:3533 169:487 170:4216 171:751 172:1856 173:2365
174:1036 175:1009 176:2610 177:4127 178:2879 179:1412
180:2180 181:2348 182:2833 183:1120 184:2384 185:15962
186:3730 187:2576 188:3536 189:2075 190:8203 191:1470
192:10234 193:7304 194:5972 195:4286 196:3362 197:1768
198:6103 199:5941 200:7141 201:5100 202:10442 203:10221
204:4544 205:3075 206:3251 207:3271 208:4013 209:4367
210:4003 211:1992 212:3228 213:2966 214:1157 215:53
216:5926 217:2329 218:893 219:604 220:1981 221:920
222:1013 223:1387
End of report
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