[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 30 18:03:00 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 01 Oct, 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: 910553
Prefixes after maximum aggregation (per Origin AS): 343775
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 440139
Total ASes present in the Internet Routing Table: 73683
Prefixes per ASN: 12.36
Origin-only ASes present in the Internet Routing Table: 63291
Origin ASes announcing only one prefix: 26001
Transit ASes present in the Internet Routing Table: 10392
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: 1073
Number of instances of unregistered ASNs: 1074
Number of 32-bit ASNs allocated by the RIRs: 40302
Number of 32-bit ASNs visible in the Routing Table: 33423
Prefixes from 32-bit ASNs in the Routing Table: 160828
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 518
Number of addresses announced to Internet: 3065307520
Equivalent to 182 /8s, 180 /16s and 225 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
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: 308807
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 237924
Total APNIC prefixes after maximum aggregation: 67674
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 232823
Unique aggregates announced from the APNIC address blocks: 96420
APNIC Region origin ASes present in the Internet Routing Table: 12986
APNIC Prefixes per ASN: 17.93
APNIC Region origin ASes announcing only one prefix: 3746
APNIC Region transit ASes present in the Internet Routing Table: 1742
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8224
Number of APNIC addresses announced to Internet: 773828352
Equivalent to 46 /8s, 31 /16s and 175 /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: 265561
Total ARIN prefixes after maximum aggregation: 121579
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 266493
Unique aggregates announced from the ARIN address blocks: 128522
ARIN Region origin ASes present in the Internet Routing Table: 19044
ARIN Prefixes per ASN: 13.99
ARIN Region origin ASes announcing only one prefix: 6929
ARIN Region transit ASes present in the Internet Routing Table: 1925
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4619
Number of ARIN addresses announced to Internet: 1290929152
Equivalent to 76 /8s, 242 /16s and 4 /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: 261023
Total RIPE prefixes after maximum aggregation: 120192
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 258094
Unique aggregates announced from the RIPE address blocks: 153786
RIPE Region origin ASes present in the Internet Routing Table: 28202
RIPE Prefixes per ASN: 9.15
RIPE Region origin ASes announcing only one prefix: 12049
RIPE Region transit ASes present in the Internet Routing Table: 3995
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10834
Number of RIPE addresses announced to Internet: 716326784
Equivalent to 42 /8s, 178 /16s and 71 /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: 116548
Total LACNIC prefixes after maximum aggregation: 27977
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 116184
Unique aggregates announced from the LACNIC address blocks: 49060
LACNIC Region origin ASes present in the Internet Routing Table: 10972
LACNIC Prefixes per ASN: 10.59
LACNIC Region origin ASes announcing only one prefix: 2693
LACNIC Region transit ASes present in the Internet Routing Table: 2211
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8735
Number of LACNIC addresses announced to Internet: 176082688
Equivalent to 10 /8s, 126 /16s and 207 /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: 28424
Total AfriNIC prefixes after maximum aggregation: 5557
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 36441
Unique aggregates announced from the AfriNIC address blocks: 11920
AfriNIC Region origin ASes present in the Internet Routing Table: 1679
AfriNIC Prefixes per ASN: 21.70
AfriNIC Region origin ASes announcing only one prefix: 584
AfriNIC Region transit ASes present in the Internet Routing Table: 326
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1011
Number of AfriNIC addresses announced to Internet: 107854592
Equivalent to 6 /8s, 109 /16s and 187 /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 9070 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5924 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4722 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3497 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3375 1870 59 VNPT-AS-VN VNPT Corp, VN
4766 2468 11252 600 KIXS-AS-KR Korea Telecom, KR
9498 2454 499 237 BBIL-AP BHARTI Airtel Ltd., IN
24560 2232 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2178 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 7321 10558 2826 AMAZON-02, US
11492 4548 301 624 CABLEONE, US
7155 3898 265 32 VIASAT-SP-BACKBONE, US
22773 3771 3062 344 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3547 1849 2543 AKAMAI-AS, US
6327 3490 1319 64 SHAW, CA
749 3032 50727 2290 DNIC-AS-00749, US
30036 2605 368 263 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2544 3479 342 GOOGLE-CLOUD-PLATFORM, US
209 2345 4934 392 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
9121 6892 1692 17 TTNET, TR
12479 6882 1730 144 UNI2-AS, ES
20940 4088 3381 211 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2946 2290 913 ROSTELECOM-AS, RU
9009 2614 252 1342 M247, RO
6849 2534 339 20 UKRTELNET, UA
34984 2255 358 632 TELLCOM-AS, TR
47331 2002 314 1514 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 11022 3392 559 Uninet S.A. de C.V., MX
10620 3484 513 829 Telmex Colombia S.A., CO
11830 2302 369 64 Instituto Costarricense de Electricidad
13999 2036 333 533 Mega Cable, S.A. de C.V., MX
28573 1349 2328 264 Claro NXT Telecomunicacoes Ltda, BR
6503 1291 338 520 Axtel, S.A.B. de C.V., MX
3816 1279 712 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1139 369 21 Telefonica del Peru S.A.A., PE
11664 1067 180 463 Techtel LMDS Comunicaciones Interactiva
26615 987 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 1569 393 21 LINKdotNET-AS, EG
24835 1520 521 31 RAYA-AS, EG
36992 1349 1519 270 ETISALAT-MISR, EG
36903 1268 550 99 MT-MPLS, MA
29571 1006 68 32 ORANGE-COTE-IVOIRE, CI
36935 814 520 42 Vodafone-, EG
6713 611 1863 34 IAM-AS, MA
15399 523 53 41 WANANCHI-, KE
37342 488 32 1 MOVITEL, MZ
23889 402 232 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 11022 3392 559 Uninet S.A. de C.V., MX
9808 9070 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7321 10558 2826 AMAZON-02, US
9121 6892 1692 17 TTNET, TR
12479 6882 1730 144 UNI2-AS, ES
7545 5924 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4722 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4548 301 624 CABLEONE, US
20940 4088 3381 211 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9070 9020 CHINAMOBILE-CN China Mobile Communications Grou
9121 6892 6875 TTNET, TR
12479 6882 6738 UNI2-AS, ES
7545 5924 5226 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4722 4647 ERX-CERNET-BKB China Education and Research Net
16509 7321 4495 AMAZON-02, US
39891 4010 3963 ALJAWWALSTC-AS, SA
8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 4548 3924 CABLEONE, US
20940 4088 3877 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
25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, 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
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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
23.141.0.0/24 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
41.57.124.0/24 Origin: 37442 UNASSIGNED
41.57.124.0/24 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 /11:100 /12:295
/13:589 /14:1199 /15:2043 /16:13499 /17:8353 /18:13932
/19:25161 /20:44377 /21:52350 /22:109462 /23:97464 /24:540873
/25:788 /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
9121 6036 6892 TTNET, TR
12479 5890 6882 UNI2-AS, ES
8151 4762 11022 Uninet S.A. de C.V., MX
11492 3471 4548 CABLEONE, US
8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3299 3490 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2987 3898 VIASAT-SP-BACKBONE, US
22773 2793 3771 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2391 2534 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1904 2:1026 3:166 4:5 5:3910 6:116
7:6 8:1597 9:1 11:173 12:1626 13:344
14:2373 15:266 16:67 17:361 18:332 20:238
21:4 22:188 23:5944 24:2453 25:6 27:2664
29:19 31:2431 32:94 34:7 35:89 36:1865
37:4475 38:3632 39:745 40:153 41:3943 42:1176
43:2264 44:292 45:16216 46:4181 47:371 49:1722
50:1932 51:242 52:1496 54:388 55:848 56:8
57:76 58:1792 59:1162 60:988 61:2375 62:2548
63:1919 64:5623 65:2315 66:4866 67:2953 68:1203
69:4162 70:1310 71:678 72:2979 74:2645 75:1479
76:592 77:2258 78:3995 79:3141 80:2035 81:1784
82:1514 83:1213 84:1429 85:3710 86:735 87:1909
88:2828 89:3407 90:543 91:7591 92:2038 93:2547
94:3540 95:4782 96:1320 97:344 98:1033 99:737
100:76 101:1065 102:2297 103:30158 104:4563 105:472
106:887 107:2530 108:899 109:4313 110:2018 111:3322
112:2043 113:1541 114:1515 115:2009 116:1919 117:2485
118:2326 119:1845 120:1737 121:1079 122:2550 123:2105
124:1558 125:2169 128:1230 129:1009 130:954 131:2031
132:825 133:378 134:1897 135:292 136:865 137:880
138:2524 139:1515 140:1055 141:1471 142:1356 143:1410
144:1190 145:347 146:1870 147:1521 148:2246 149:1816
150:880 151:1108 152:1814 153:468 154:3824 155:1436
156:1678 157:1280 158:1042 159:2195 160:2538 161:1360
162:3493 163:1416 164:1679 165:1641 166:796 167:1718
168:3834 169:870 170:4552 171:853 172:3394 173:3102
174:1019 175:1152 176:3594 177:4723 178:3556 179:2143
180:2337 181:3263 182:3238 183:1935 184:2343 185:19777
186:4580 187:3927 188:4014 189:3494 190:8978 191:1449
192:10996 193:8718 194:7147 195:5044 196:2973 197:2462
198:5989 199:6033 200:7646 201:5789 202:10568 203:10037
204:4519 205:3478 206:3884 207:3417 208:4043 209:4742
210:4337 211:2435 212:4064 213:3551 214:1116 215:54
216:6428 217:2634 218:1292 219:571 220:2035 221:923
222:821 223:2014
End of report
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