[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 2 18:03:07 UTC 2022
This is an automated weekly mailing describing the state of the Global
IPv4 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 03 Sep, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 907883
Prefixes after maximum aggregation (per Origin AS): 342498
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 439018
Total ASes present in the Internet Routing Table: 73617
Prefixes per ASN: 12.33
Origin-only ASes present in the Internet Routing Table: 63186
Origin ASes announcing only one prefix: 26027
Transit ASes present in the Internet Routing Table: 10431
Transit-only ASes present in the Internet Routing Table: 401
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 967
Number of instances of unregistered ASNs: 967
Number of 32-bit ASNs allocated by the RIRs: 40121
Number of 32-bit ASNs visible in the Routing Table: 33280
Prefixes from 32-bit ASNs in the Routing Table: 159468
Number of bogon 32-bit ASNs visible in the Routing Table: 7
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 512
Number of addresses announced to Internet: 3068907136
Equivalent to 182 /8s, 235 /16s and 206 /24s
Percentage of available address space announced: 82.9
Percentage of allocated address space announced: 82.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 308077
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 237156
Total APNIC prefixes after maximum aggregation: 67523
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 232153
Unique aggregates announced from the APNIC address blocks: 96567
APNIC Region origin ASes present in the Internet Routing Table: 12920
APNIC Prefixes per ASN: 17.97
APNIC Region origin ASes announcing only one prefix: 3738
APNIC Region transit ASes present in the Internet Routing Table: 1764
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8163
Number of APNIC addresses announced to Internet: 773393152
Equivalent to 46 /8s, 25 /16s and 11 /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, 131072-151865
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: 264819
Total ARIN prefixes after maximum aggregation: 121041
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 265221
Unique aggregates announced from the ARIN address blocks: 127920
ARIN Region origin ASes present in the Internet Routing Table: 19066
ARIN Prefixes per ASN: 13.91
ARIN Region origin ASes announcing only one prefix: 6922
ARIN Region transit ASes present in the Internet Routing Table: 1923
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4604
Number of ARIN addresses announced to Internet: 1293708544
Equivalent to 77 /8s, 28 /16s and 109 /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: 260443
Total RIPE prefixes after maximum aggregation: 119678
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 257626
Unique aggregates announced from the RIPE address blocks: 153274
RIPE Region origin ASes present in the Internet Routing Table: 28181
RIPE Prefixes per ASN: 9.14
RIPE Region origin ASes announcing only one prefix: 12074
RIPE Region transit ASes present in the Internet Routing Table: 4000
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10781
Number of RIPE addresses announced to Internet: 717216128
Equivalent to 42 /8s, 191 /16s and 217 /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: 116141
Total LACNIC prefixes after maximum aggregation: 27953
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 115807
Unique aggregates announced from the LACNIC address blocks: 48928
LACNIC Region origin ASes present in the Internet Routing Table: 10980
LACNIC Prefixes per ASN: 10.55
LACNIC Region origin ASes announcing only one prefix: 2699
LACNIC Region transit ASes present in the Internet Routing Table: 2232
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8718
Number of LACNIC addresses announced to Internet: 176407040
Equivalent to 10 /8s, 131 /16s and 194 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 28357
Total AfriNIC prefixes after maximum aggregation: 5563
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 36564
Unique aggregates announced from the AfriNIC address blocks: 11890
AfriNIC Region origin ASes present in the Internet Routing Table: 1684
AfriNIC Prefixes per ASN: 21.71
AfriNIC Region origin ASes announcing only one prefix: 594
AfriNIC Region transit ASes present in the Internet Routing Table: 329
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1014
Number of AfriNIC addresses announced to Internet: 107898880
Equivalent to 6 /8s, 110 /16s and 104 /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
9808 9087 8883 47 CHINAMOBILE-CN China Mobile Communicati
7545 5928 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4709 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3511 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN
4766 2478 11124 601 KIXS-AS-KR Korea Telecom, KR
9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN
24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 6962 10424 2780 AMAZON-02, US
11492 4540 301 578 CABLEONE, US
7155 3898 265 32 VIASAT-SP-BACKBONE, US
22773 3812 3066 354 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3491 1803 2517 AKAMAI-AS, US
6327 3455 1319 63 SHAW, CA
749 3034 50727 2292 DNIC-AS-00749, US
30036 2612 370 236 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2531 3387 365 GOOGLE-CLOUD-PLATFORM, US
209 2362 4936 404 CENTURYLINK-US-LEGACY-QWEST, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6891 1730 144 UNI2-AS, ES
9121 6635 1692 17 TTNET, TR
20940 4058 3348 219 AKAMAI-ASN1, NL
8551 3993 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 3874 226 44 ALJAWWALSTC-AS, SA
12389 2941 2290 910 ROSTELECOM-AS, RU
6849 2759 355 21 UKRTELNET, UA
9009 2605 252 1349 M247, GB
34984 2264 359 632 TELLCOM-AS, TR
47331 2082 325 1577 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10694 3393 556 Uninet S.A. de C.V., MX
10620 3495 515 789 Telmex Colombia S.A., CO
11830 2340 369 64 Instituto Costarricense de Electricidad
13999 1979 321 507 Mega Cable, S.A. de C.V., MX
28573 1360 2327 267 Claro NXT Telecomunicacoes Ltda, BR
6503 1288 338 520 Axtel, S.A.B. de C.V., MX
3816 1274 699 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1135 369 21 Telefonica del Peru S.A.A., PE
11664 1049 179 460 Techtel LMDS Comunicaciones Interactiva
26615 980 2466 43 TIM SA, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1602 393 21 LINKdotNET-AS, EG
24835 1520 521 31 RAYA-AS, EG
36992 1325 1519 268 ETISALAT-MISR, EG
36903 1268 550 99 MT-MPLS, MA
29571 1000 68 38 ORANGE-COTE-IVOIRE, CI
36935 810 520 42 Vodafone-, EG
6713 611 1863 34 IAM-AS, MA
15399 521 52 39 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
23889 401 232 16 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10694 3393 556 Uninet S.A. de C.V., MX
9808 9087 8883 47 CHINAMOBILE-CN China Mobile Communicati
16509 6962 10424 2780 AMAZON-02, US
12479 6891 1730 144 UNI2-AS, ES
9121 6635 1692 17 TTNET, TR
7545 5928 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4709 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4540 301 578 CABLEONE, US
20940 4058 3348 219 AKAMAI-ASN1, NL
8551 3993 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9087 9040 CHINAMOBILE-CN China Mobile Communications Grou
12479 6891 6747 UNI2-AS, ES
9121 6635 6618 TTNET, TR
7545 5928 5232 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4709 4634 ERX-CERNET-BKB China Education and Research Net
16509 6962 4182 AMAZON-02, US
11492 4540 3962 CABLEONE, US
8551 3993 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3898 3866 VIASAT-SP-BACKBONE, US
20940 4058 3839 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US
394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.128.80.0/24 Origin: 397372 UNASSIGNED
23.128.80.0/24 Transit: 577 BACOM, CA
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.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 /8:16 /9:13 /10:39 /11:101 /12:298
/13:592 /14:1209 /15:2063 /16:13518 /17:8350 /18:13960
/19:25148 /20:44465 /21:52276 /22:109213 /23:97160 /24:538665
/25:797 /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 5878 6891 UNI2-AS, ES
9121 5792 6635 TTNET, TR
8151 4470 10694 Uninet S.A. de C.V., MX
11492 3457 4540 CABLEONE, US
8551 3452 3993 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3265 3455 SHAW, CA
39891 3185 3874 ALJAWWALSTC-AS, SA
7155 2987 3898 VIASAT-SP-BACKBONE, US
22773 2830 3812 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2616 2759 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1954 2:1032 3:161 4:5 5:3861 6:115
7:6 8:1587 9:1 11:173 12:1640 13:341
14:2371 15:251 16:46 17:360 18:218 20:244
21:4 22:188 23:5918 24:2442 25:6 27:2653
29:19 31:2413 32:93 34:7 35:89 36:1849
37:4483 38:3482 39:722 40:154 41:3937 42:1142
43:2225 44:285 45:16107 46:4185 47:329 49:1702
50:1951 51:112 52:1463 54:386 55:839 56:8
57:61 58:1790 59:1160 60:983 61:2295 62:2548
63:1918 64:5587 65:2308 66:4886 67:2967 68:1208
69:4154 70:1304 71:684 72:3025 74:2644 75:1406
76:584 77:2268 78:3970 79:3129 80:2047 81:1802
82:1491 83:1216 84:1383 85:3687 86:732 87:1906
88:2802 89:3436 90:551 91:7648 92:2051 93:2542
94:3540 95:4802 96:1298 97:352 98:1028 99:720
100:77 101:1065 102:2309 103:29809 104:4570 105:470
106:889 107:2556 108:875 109:4324 110:2010 111:3331
112:2052 113:1542 114:1490 115:2013 116:1945 117:2478
118:2322 119:1820 120:1795 121:1079 122:2524 123:2087
124:1578 125:2144 128:1237 129:1031 130:1007 131:2050
132:819 133:377 134:1936 135:298 136:858 137:874
138:2518 139:1513 140:951 141:1455 142:1347 143:1400
144:1192 145:342 146:1855 147:1508 148:2221 149:1810
150:863 151:1080 152:1870 153:466 154:3756 155:1453
156:1743 157:1278 158:1036 159:2192 160:2529 161:1336
162:3505 163:1396 164:1627 165:1650 166:787 167:1758
168:3827 169:869 170:4533 171:846 172:3340 173:3128
174:1023 175:1143 176:3622 177:4726 178:3574 179:2146
180:2339 181:3258 182:3234 183:1938 184:2365 185:19649
186:4573 187:3817 188:3984 189:3402 190:8981 191:1465
192:10988 193:8665 194:7113 195:5060 196:2968 197:2467
198:6002 199:6041 200:7634 201:5750 202:10514 203:10046
204:4512 205:3429 206:3783 207:3436 208:4051 209:4714
210:4370 211:2402 212:4070 213:3467 214:1118 215:66
216:6392 217:2630 218:1290 219:572 220:2014 221:947
222:832 223:1990
End of report
More information about the cmNOG
mailing list