[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 17 18:03:41 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 18 Jan, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 791374
Prefixes after maximum aggregation (per Origin AS): 301457
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 387840
Total ASes present in the Internet Routing Table: 66740
Prefixes per ASN: 11.86
Origin-only ASes present in the Internet Routing Table: 57361
Origin ASes announcing only one prefix: 24165
Transit ASes present in the Internet Routing Table: 9379
Transit-only ASes present in the Internet Routing Table: 288
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 35
Max AS path prepend of ASN ( 53176) 31
Prefixes from unregistered ASNs in the Routing Table: 1313
Number of instances of unregistered ASNs: 1313
Number of 32-bit ASNs allocated by the RIRs: 30192
Number of 32-bit ASNs visible in the Routing Table: 24830
Prefixes from 32-bit ASNs in the Routing Table: 113996
Number of bogon 32-bit ASNs visible in the Routing Table: 31
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 443
Number of addresses announced to Internet: 2852676736
Equivalent to 170 /8s, 8 /16s and 100 /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: 264746
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 210449
Total APNIC prefixes after maximum aggregation: 61270
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 203980
Unique aggregates announced from the APNIC address blocks: 84945
APNIC Region origin ASes present in the Internet Routing Table: 10291
APNIC Prefixes per ASN: 19.82
APNIC Region origin ASes announcing only one prefix: 2850
APNIC Region transit ASes present in the Internet Routing Table: 1543
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5344
Number of APNIC addresses announced to Internet: 768001280
Equivalent to 45 /8s, 198 /16s and 197 /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: 232092
Total ARIN prefixes after maximum aggregation: 107372
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 230025
Unique aggregates announced from the ARIN address blocks: 116598
ARIN Region origin ASes present in the Internet Routing Table: 18372
ARIN Prefixes per ASN: 12.52
ARIN Region origin ASes announcing only one prefix: 6763
ARIN Region transit ASes present in the Internet Routing Table: 1905
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: 3119
Number of ARIN addresses announced to Internet: 1079028480
Equivalent to 64 /8s, 80 /16s and 171 /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: 223723
Total RIPE prefixes after maximum aggregation: 103953
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 220449
Unique aggregates announced from the RIPE address blocks: 130028
RIPE Region origin ASes present in the Internet Routing Table: 26743
RIPE Prefixes per ASN: 8.24
RIPE Region origin ASes announcing only one prefix: 11696
RIPE Region transit ASes present in the Internet Routing Table: 3776
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: 8838
Number of RIPE addresses announced to Internet: 723697536
Equivalent to 43 /8s, 34 /16s and 191 /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: 102509
Total LACNIC prefixes after maximum aggregation: 23648
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 103661
Unique aggregates announced from the LACNIC address blocks: 45327
LACNIC Region origin ASes present in the Internet Routing Table: 9321
LACNIC Prefixes per ASN: 11.12
LACNIC Region origin ASes announcing only one prefix: 2380
LACNIC Region transit ASes present in the Internet Routing Table: 1759
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6890
Number of LACNIC addresses announced to Internet: 174034688
Equivalent to 10 /8s, 95 /16s and 143 /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: 21287
Total AfriNIC prefixes after maximum aggregation: 4434
AfriNIC Deaggregation factor: 4.80
Prefixes being announced from the AfriNIC address blocks: 32816
Unique aggregates announced from the AfriNIC address blocks: 10593
AfriNIC Region origin ASes present in the Internet Routing Table: 1340
AfriNIC Prefixes per ASN: 24.49
AfriNIC Region origin ASes announcing only one prefix: 476
AfriNIC Region transit ASes present in the Internet Routing Table: 258
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: 639
Number of AfriNIC addresses announced to Internet: 107533056
Equivalent to 6 /8s, 104 /16s and 211 /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 5245 645 603 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4621 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3318 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3120 1785 107 VNPT-AS-VN VNPT Corp, VN
7713 2697 814 495 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2600 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2264 11102 566 KIXS-AS-KR Korea Telecom, KR
9498 2218 433 212 BBIL-AP BHARTI Airtel Ltd., IN
9829 2160 1377 249 BSNL-NIB National Internet Backbone, IN
4755 2138 441 190 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 3894 258 653 CABLEONE, US
16509 3805 7736 1687 AMAZON-02, US
22773 3516 2971 152 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3373 1324 93 SHAW, CA
16625 2956 1550 2122 AKAMAI-AS, US
30036 2284 358 92 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2250 5075 534 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 5848 1631 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3388 484 13 KABELDEUTSCHLAND-AS, DE
8551 3110 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2819 469 1955 AKAMAI-ASN1, US
12389 2421 2239 702 ROSTELECOM-AS, RU
9009 2063 223 1111 M247, GB
34984 2048 348 556 TELLCOM-AS, TR
9121 1932 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 6190 3297 610 Uninet S.A. de C.V., MX
10620 3361 533 469 Telmex Colombia S.A., CO
11830 2680 369 63 Instituto Costarricense de Electricidad
6503 1682 323 389 Axtel, S.A.B. de C.V., MX
7303 1478 1026 265 Telecom Argentina S.A., AR
28573 1267 2235 200 CLARO S.A., BR
13999 1157 501 273 Mega Cable, S.A. de C.V., MX
3816 1119 561 133 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1097 379 39 Telefonica del Peru S.A.A., PE
11172 942 111 65 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
24863 1243 393 23 LINKdotNET-AS, EG
24835 1097 566 24 RAYA-AS, EG
36992 1036 1535 73 ETISALAT-MISR, EG
36903 876 452 97 MT-MPLS, MA
6713 623 1863 34 IAM-AS, MA
29571 561 68 12 ORANGE-COTE-IVOIRE, CI
37342 477 32 1 MOVITEL, MZ
36935 383 522 40 Vodafone-, EG
23889 352 231 15 MauritiusTelecom, MU
15399 351 45 10 WANANCHI-, 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 6190 3297 610 Uninet S.A. de C.V., MX
12479 5848 1631 135 UNI2-AS, ES
7545 5245 645 603 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4621 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 3894 258 653 CABLEONE, US
16509 3805 7736 1687 AMAZON-02, US
22773 3516 2971 152 ASN-CXA-ALL-CCI-22773-RDC, US
31334 3388 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 5848 5713 UNI2-AS, ES
7545 5245 4642 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4621 4548 ERX-CERNET-BKB China Education and Research Net
7155 4047 4020 VIASAT-SP-BACKBONE, US
39891 4034 4015 ALJAWWALSTC-AS, SA
31334 3388 3375 KABELDEUTSCHLAND-AS, DE
22773 3516 3364 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3318 3294 VIETEL-AS-AP Viettel Group, VN
6327 3373 3280 SHAW, CA
11492 3894 3241 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
23071 UNALLOCATED 8.33.235.0/24 3356 LEVEL3, 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
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: 6939 HURRICANE, 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 /14:1159 /15:1920 /16:13391 /17:8115 /18:13879
/19:25777 /20:40474 /21:47497 /22:98432 /23:80749 /24:457619
/25:1338 /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 4810 5848 UNI2-AS, ES
31334 3233 3388 KABELDEUTSCHLAND-AS, DE
6327 3161 3373 SHAW, CA
7155 3139 4047 VIASAT-SP-BACKBONE, US
11492 3037 3894 CABLEONE, US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2736 3516 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2569 3110 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2033 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)
----------------------------------------------
1:1525 2:1155 3:12 4:19 5:3217 6:47
8:1366 9:1 12:1786 13:495 14:2216 15:59
16:9 17:284 18:78 20:58 23:3224 24:2619
25:4 27:2524 31:2848 32:101 35:43 36:941
37:3176 38:1821 39:314 40:132 41:3272 42:880
43:2127 44:185 45:12907 46:3616 47:274 49:1432
50:1199 51:344 52:1112 54:274 55:649 56:6
57:48 58:1747 59:1117 60:687 61:2223 62:2125
63:1907 64:5033 65:2327 66:4826 67:2830 68:1234
69:3808 70:1409 71:666 72:2776 74:2622 75:1435
76:661 77:2552 78:1989 79:2380 80:1852 81:1549
82:1202 83:1118 84:1231 85:2574 86:579 87:1677
88:1070 89:2669 90:278 91:7480 92:1451 93:2430
94:2592 95:3707 96:1006 97:337 98:961 99:965
100:85 101:1082 102:769 103:22947 104:3619 105:364
106:828 107:1872 108:688 109:3617 110:1773 111:1920
112:1535 113:1377 114:1483 115:1838 116:1798 117:2016
118:2110 119:1687 120:835 121:1030 122:2369 123:1888
124:1549 125:2018 128:1370 129:912 130:600 131:1849
132:772 133:301 134:1255 135:273 136:604 137:876
138:2193 139:991 140:594 141:881 142:857 143:1155
144:936 145:293 146:1468 147:999 148:1895 149:1106
150:811 151:1260 152:1473 153:370 154:4648 155:905
156:3094 157:1089 158:703 159:1946 160:1712 161:986
162:3023 163:776 164:1501 165:1221 166:536 167:1462
168:3570 169:487 170:4195 171:742 172:1846 173:2350
174:1036 175:1009 176:2581 177:4152 178:2849 179:1409
180:2183 181:2383 182:2835 183:1121 184:2385 185:15882
186:3729 187:2585 188:3492 189:2077 190:8222 191:1439
192:10203 193:7307 194:5953 195:4276 196:3366 197:1839
198:6097 199:5945 200:7177 201:5117 202:10447 203:10148
204:4538 205:3074 206:3251 207:3253 208:4010 209:4340
210:3997 211:1990 212:3217 213:2982 214:1134 215:53
216:5923 217:2326 218:895 219:607 220:1983 221:934
222:1012 223:1392
End of report
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