[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 24 18:03:35 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 Jul, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 814194
Prefixes after maximum aggregation (per Origin AS): 310418
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 393028
Total ASes present in the Internet Routing Table: 68760
Prefixes per ASN: 11.84
Origin-only ASes present in the Internet Routing Table: 59072
Origin ASes announcing only one prefix: 24629
Transit ASes present in the Internet Routing Table: 9688
Transit-only ASes present in the Internet Routing Table: 294
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 43
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 888
Number of instances of unregistered ASNs: 889
Number of 32-bit ASNs allocated by the RIRs: 32659
Number of 32-bit ASNs visible in the Routing Table: 26937
Prefixes from 32-bit ASNs in the Routing Table: 125451
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 541
Number of addresses announced to Internet: 2844321792
Equivalent to 169 /8s, 136 /16s and 232 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
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: 271894
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 215102
Total APNIC prefixes after maximum aggregation: 63206
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 208816
Unique aggregates announced from the APNIC address blocks: 86144
APNIC Region origin ASes present in the Internet Routing Table: 10764
APNIC Prefixes per ASN: 19.40
APNIC Region origin ASes announcing only one prefix: 3033
APNIC Region transit ASes present in the Internet Routing Table: 1595
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5841
Number of APNIC addresses announced to Internet: 768747904
Equivalent to 45 /8s, 210 /16s and 41 /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: 239350
Total ARIN prefixes after maximum aggregation: 109945
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 236651
Unique aggregates announced from the ARIN address blocks: 115635
ARIN Region origin ASes present in the Internet Routing Table: 18547
ARIN Prefixes per ASN: 12.76
ARIN Region origin ASes announcing only one prefix: 6789
ARIN Region transit ASes present in the Internet Routing Table: 1906
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3328
Number of ARIN addresses announced to Internet: 1082153728
Equivalent to 64 /8s, 128 /16s and 91 /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: 226638
Total RIPE prefixes after maximum aggregation: 106875
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 223164
Unique aggregates announced from the RIPE address blocks: 134768
RIPE Region origin ASes present in the Internet Routing Table: 27227
RIPE Prefixes per ASN: 8.20
RIPE Region origin ASes announcing only one prefix: 11774
RIPE Region transit ASes present in the Internet Routing Table: 3841
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: 9338
Number of RIPE addresses announced to Internet: 709374592
Equivalent to 42 /8s, 72 /16s and 50 /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: 109016
Total LACNIC prefixes after maximum aggregation: 25108
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 110175
Unique aggregates announced from the LACNIC address blocks: 46905
LACNIC Region origin ASes present in the Internet Routing Table: 10131
LACNIC Prefixes per ASN: 10.88
LACNIC Region origin ASes announcing only one prefix: 2531
LACNIC Region transit ASes present in the Internet Routing Table: 1905
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 43
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7717
Number of LACNIC addresses announced to Internet: 174549504
Equivalent to 10 /8s, 103 /16s and 106 /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: 23199
Total AfriNIC prefixes after maximum aggregation: 4618
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 34847
Unique aggregates announced from the AfriNIC address blocks: 9160
AfriNIC Region origin ASes present in the Internet Routing Table: 1423
AfriNIC Prefixes per ASN: 24.49
AfriNIC Region origin ASes announcing only one prefix: 502
AfriNIC Region transit ASes present in the Internet Routing Table: 284
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 713
Number of AfriNIC addresses announced to Internet: 109054976
Equivalent to 6 /8s, 128 /16s and 12 /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 5507 749 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3440 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3166 1835 107 VNPT-AS-VN VNPT Corp, VN
7713 2723 828 548 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2523 9043 60 CMNET-GD Guangdong Mobile Communication
9498 2290 450 227 BBIL-AP BHARTI Airtel Ltd., IN
4766 2273 11101 552 KIXS-AS-KR Korea Telecom, KR
4755 2132 441 192 TATACOMM-AS TATA Communications formerl
9394 2035 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 4497 302 628 CABLEONE, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
16509 4028 8145 1822 AMAZON-02, US
22773 3596 2970 166 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3348 1323 84 SHAW, CA
16625 3112 1644 2236 AKAMAI-AS, US
209 2460 5074 525 CENTURYLINK-US-LEGACY-QWEST, US
30036 2423 364 190 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2399 150 298 IKGUL-26484, US
5650 2307 2981 1623 FRONTIER-FRTR, 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 5927 1652 135 UNI2-AS, ES
8551 3229 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3109 2221 1025 AKAMAI-ASN1, EU
39891 2879 171 19 ALJAWWALSTC-AS, SA
12389 2557 2263 758 ROSTELECOM-AS, RU
34984 2169 354 567 TELLCOM-AS, TR
9009 2101 216 1146 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1389 157 596 ASDETUK http://www.heficed.com, GB
12357 1157 313 655 COMUNITEL SPAIN, ES
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 7303 3302 605 Uninet S.A. de C.V., MX
10620 3365 530 528 Telmex Colombia S.A., CO
11830 2471 369 63 Instituto Costarricense de Electricidad
6503 1702 325 381 Axtel, S.A.B. de C.V., MX
7303 1492 962 255 Telecom Argentina S.A., AR
28573 1420 2246 215 CLARO S.A., BR
13999 1387 498 373 Mega Cable, S.A. de C.V., MX
6147 1128 379 39 Telefonica del Peru S.A.A., PE
3816 1120 568 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 953 111 69 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 1493 393 22 LINKdotNET-AS, EG
24835 1123 474 23 RAYA-AS, EG
36992 1115 1539 76 ETISALAT-MISR, EG
36903 917 480 93 MT-MPLS, MA
29571 629 68 12 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 491 45 12 WANANCHI-, KE
37342 482 32 1 MOVITEL, MZ
36935 460 522 41 Vodafone-, EG
23889 344 231 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 7303 3302 605 Uninet S.A. de C.V., MX
12479 5927 1652 135 UNI2-AS, ES
7545 5507 749 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4497 302 628 CABLEONE, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
16509 4028 8145 1822 AMAZON-02, US
22773 3596 2970 166 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3440 1330 21 VIETEL-AS-AP Viettel Group, VN
10620 3365 530 528 Telmex Colombia S.A., CO
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 5927 5792 UNI2-AS, ES
7545 5507 4851 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4670 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4497 3869 CABLEONE, US
22773 3596 3430 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3440 3419 VIETEL-AS-AP Viettel Group, VN
6327 3348 3264 SHAW, CA
8551 3229 3184 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
45899 3166 3059 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
22357 UNALLOCATED 8.7.108.0/24 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
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
26584 UNALLOCATED 8.42.62.0/23 209 CENTURYLINK-US-LEGACY-QWEST,
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 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
23.162.16.0/24 Origin: 398638 JELLYDIGITAL, US
Transit: 395565 MIEMX, 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
27.126.158.0/23 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 /8:9 /9:11 /10:38 /11:100 /12:286
/13:575 /14:1174 /15:1921 /16:13378 /17:8293 /18:14049
/19:25921 /20:40937 /21:49145 /22:101461 /23:84180 /24:471428
/25:1288 /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 4952 5927 UNI2-AS, ES
11492 3549 4497 CABLEONE, US
6327 3143 3348 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
22773 2789 3596 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2688 3229 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2494 7303 Uninet S.A. de C.V., MX
39891 2417 2879 ALJAWWALSTC-AS, SA
30036 2166 2423 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1993 2307 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1581 2:1140 3:30 4:19 5:3399 6:52
8:1466 9:1 11:1 12:1787 13:509 14:2284
15:72 16:8 17:292 18:82 20:110 23:3783
24:2320 25:3 27:2522 31:2161 32:128 34:1
35:42 36:984 37:3317 38:1905 39:443 40:127
41:3684 42:625 43:2132 44:204 45:14576 46:3718
47:318 49:1475 50:1541 51:90 52:1108 54:226
55:675 56:6 57:51 58:1771 59:1187 60:768
61:2307 62:2124 63:1998 64:5228 65:2343 66:5040
67:2881 68:1174 69:4012 70:1396 71:677 72:2856
74:2607 75:1454 76:653 77:1937 78:1646 79:2413
80:2036 81:1635 82:1333 83:1261 84:1230 85:2618
86:545 87:1745 88:949 89:2774 90:344 91:7097
92:1559 93:2506 94:2740 95:3246 96:1230 97:338
98:920 99:977 100:86 101:996 102:1014 103:23976
104:3463 105:400 106:884 107:2050 108:714 109:3705
110:1933 111:2038 112:1637 113:1358 114:1525 115:1833
116:1778 117:2090 118:2138 119:1720 120:825 121:1044
122:2443 123:2000 124:1617 125:2122 128:1365 129:1209
130:680 131:1868 132:773 133:305 134:1380 135:299
136:623 137:860 138:2237 139:1017 140:701 141:1056
142:937 143:1251 144:1098 145:364 146:1377 147:1006
148:2112 149:1232 150:804 151:1071 152:1491 153:418
154:4569 155:1122 156:3067 157:1116 158:865 159:1973
160:1911 161:1058 162:3130 163:884 164:1530 165:1297
166:568 167:1618 168:3544 169:586 170:4284 171:785
172:1948 173:2586 174:984 175:1058 176:2524 177:4728
178:2719 179:1573 180:2252 181:2516 182:3102 183:1163
184:2416 185:16600 186:3846 187:2911 188:3232 189:2528
190:8844 191:1376 192:10398 193:7568 194:6286 195:4439
196:3143 197:2033 198:6133 199:5879 200:7285 201:5212
202:10547 203:10232 204:4566 205:3084 206:3182 207:3276
208:4044 209:4508 210:3997 211:2020 212:3407 213:3150
214:1164 215:62 216:6058 217:2421 218:865 219:613
220:2047 221:914 222:1004 223:1602
End of report
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