[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 18 18:02:58 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 19 Nov, 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: 915701
Prefixes after maximum aggregation (per Origin AS): 345977
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 442610
Total ASes present in the Internet Routing Table: 73817
Prefixes per ASN: 12.41
Origin-only ASes present in the Internet Routing Table: 63392
Origin ASes announcing only one prefix: 26057
Transit ASes present in the Internet Routing Table: 10425
Transit-only ASes present in the Internet Routing Table: 418
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: 1003
Number of instances of unregistered ASNs: 1005
Number of 32-bit ASNs allocated by the RIRs: 40651
Number of 32-bit ASNs visible in the Routing Table: 33699
Prefixes from 32-bit ASNs in the Routing Table: 163685
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 503
Number of addresses announced to Internet: 3063689728
Equivalent to 182 /8s, 156 /16s and 50 /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: 311000
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 239240
Total APNIC prefixes after maximum aggregation: 68157
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 234125
Unique aggregates announced from the APNIC address blocks: 97106
APNIC Region origin ASes present in the Internet Routing Table: 13085
APNIC Prefixes per ASN: 17.89
APNIC Region origin ASes announcing only one prefix: 3794
APNIC Region transit ASes present in the Internet Routing Table: 1756
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: 8340
Number of APNIC addresses announced to Internet: 773580928
Equivalent to 46 /8s, 27 /16s and 232 /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: 267352
Total ARIN prefixes after maximum aggregation: 121879
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 268850
Unique aggregates announced from the ARIN address blocks: 129326
ARIN Region origin ASes present in the Internet Routing Table: 19072
ARIN Prefixes per ASN: 14.10
ARIN Region origin ASes announcing only one prefix: 6974
ARIN Region transit ASes present in the Internet Routing Table: 1931
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4681
Number of ARIN addresses announced to Internet: 1289516032
Equivalent to 76 /8s, 220 /16s and 116 /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: 262415
Total RIPE prefixes after maximum aggregation: 121195
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 259147
Unique aggregates announced from the RIPE address blocks: 154803
RIPE Region origin ASes present in the Internet Routing Table: 28147
RIPE Prefixes per ASN: 9.21
RIPE Region origin ASes announcing only one prefix: 12005
RIPE Region transit ASes present in the Internet Routing Table: 3954
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 38
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10885
Number of RIPE addresses announced to Internet: 716164992
Equivalent to 42 /8s, 175 /16s and 207 /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: 117134
Total LACNIC prefixes after maximum aggregation: 28331
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 116499
Unique aggregates announced from the LACNIC address blocks: 48937
LACNIC Region origin ASes present in the Internet Routing Table: 11007
LACNIC Prefixes per ASN: 10.58
LACNIC Region origin ASes announcing only one prefix: 2692
LACNIC Region transit ASes present in the Internet Routing Table: 2265
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: 8762
Number of LACNIC addresses announced to Internet: 176021504
Equivalent to 10 /8s, 125 /16s and 224 /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: 28557
Total AfriNIC prefixes after maximum aggregation: 5646
AfriNIC Deaggregation factor: 5.06
Prefixes being announced from the AfriNIC address blocks: 36577
Unique aggregates announced from the AfriNIC address blocks: 12021
AfriNIC Region origin ASes present in the Internet Routing Table: 1703
AfriNIC Prefixes per ASN: 21.48
AfriNIC Region origin ASes announcing only one prefix: 592
AfriNIC Region transit ASes present in the Internet Routing Table: 323
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: 1031
Number of AfriNIC addresses announced to Internet: 108122112
Equivalent to 6 /8s, 113 /16s and 208 /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 9128 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5945 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4879 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3613 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3516 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3401 1877 66 VNPT-AS-VN VNPT Corp, VN
9498 2537 499 237 BBIL-AP BHARTI Airtel Ltd., IN
4766 2536 11252 602 KIXS-AS-KR Korea Telecom, KR
24560 2288 849 419 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 7635 10621 2909 AMAZON-02, US
11492 4603 305 506 CABLEONE, US
7155 3894 265 32 VIASAT-SP-BACKBONE, US
22773 3742 3062 338 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3564 1861 2556 AKAMAI-AS, US
6327 3524 1320 63 SHAW, CA
749 3064 50657 2331 DNIC-AS-00749, US
30036 2600 372 276 MEDIACOM-ENTERPRISE-BUSINESS, US
7018 2572 24057 1546 ATT-INTERNET4, US
396982 2564 3482 359 GOOGLE-CLOUD-PLATFORM, 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 6955 1730 144 UNI2-AS, ES
9121 6712 1692 17 TTNET, TR
20940 4120 3400 182 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2955 2290 912 ROSTELECOM-AS, RU
9009 2643 253 1360 M247, RO
6849 2332 339 20 UKRTELNET, UA
34984 2242 357 615 TELLCOM-AS, TR
47331 2199 336 1670 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 10850 3347 598 Uninet S.A. de C.V., MX
10620 3454 506 855 Telmex Colombia S.A., CO
11830 2300 369 64 Instituto Costarricense de Electricidad
13999 2123 347 551 Mega Cable, S.A. de C.V., MX
28573 1336 2328 260 Claro NXT Telecomunicacoes Ltda, BR
6503 1293 338 521 Axtel, S.A.B. de C.V., MX
3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1112 182 475 Techtel LMDS Comunicaciones Interactiva
6147 1087 369 22 Telefonica del Peru S.A.A., PE
26615 991 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 1572 393 21 LINKdotNET-AS, EG
24835 1545 521 31 RAYA-AS, EG
36992 1355 1520 270 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 951 65 53 ORANGE-COTE-IVOIRE, CI
36935 828 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 528 53 43 WANANCHI-, KE
37342 494 32 1 MOVITEL, MZ
23889 400 231 14 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 10850 3347 598 Uninet S.A. de C.V., MX
9808 9128 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7635 10621 2909 AMAZON-02, US
12479 6955 1730 144 UNI2-AS, ES
9121 6712 1692 17 TTNET, TR
7545 5945 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4879 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4603 305 506 CABLEONE, US
20940 4120 3400 182 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 9128 9078 CHINAMOBILE-CN China Mobile Communications Grou
12479 6955 6811 UNI2-AS, ES
9121 6712 6695 TTNET, TR
7545 5945 5249 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4879 4804 ERX-CERNET-BKB China Education and Research Net
16509 7635 4726 AMAZON-02, US
11492 4603 4097 CABLEONE, US
39891 4010 3963 ALJAWWALSTC-AS, SA
8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
20940 4120 3938 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
16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.12.250.0/24 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
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
23.136.112.0/24 Origin: 54835 UNASSIGNED
23.136.112.0/24 Transit: 21559 OSNET, PR
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.181.240.0/24 Origin: 399613 UNASSIGNED
23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR
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
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
/13:587 /14:1200 /15:2044 /16:13523 /17:8346 /18:13931
/19:25180 /20:44381 /21:52363 /22:110228 /23:98037 /24:544621
/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 5978 6955 UNI2-AS, ES
9121 5867 6712 TTNET, TR
8151 4798 10850 Uninet S.A. de C.V., MX
11492 3509 4603 CABLEONE, US
8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3332 3524 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2983 3894 VIASAT-SP-BACKBONE, US
22773 2765 3742 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2256 2600 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1875 2:1029 3:166 4:5 5:4032 6:118
7:5 8:1582 9:1 11:173 12:1616 13:381
14:2379 15:287 16:71 17:365 18:383 20:239
21:4 22:188 23:6023 24:2468 25:6 27:2703
29:19 31:2476 32:90 34:8 35:94 36:1796
37:4544 38:3775 39:770 40:144 41:3930 42:1194
43:2288 44:300 45:16295 46:4159 47:379 49:1721
50:1924 51:244 52:1503 54:398 55:844 56:8
57:78 58:1797 59:1162 60:1005 61:2427 62:2578
63:1952 64:5641 65:2334 66:4825 67:3011 68:1382
69:4160 70:1290 71:681 72:2999 74:2645 75:1471
76:600 77:2241 78:3961 79:3156 80:2034 81:1822
82:1496 83:1217 84:1505 85:3752 86:733 87:1921
88:2835 89:3448 90:569 91:7594 92:2019 93:2567
94:3526 95:4834 96:1340 97:348 98:1172 99:740
100:69 101:1072 102:2441 103:30387 104:4568 105:479
106:827 107:2540 108:921 109:4316 110:2014 111:3312
112:2052 113:1564 114:1589 115:2040 116:1906 117:2478
118:2327 119:1876 120:1724 121:1113 122:2592 123:2123
124:1576 125:2198 128:1254 129:981 130:974 131:2038
132:842 133:401 134:1914 135:293 136:877 137:920
138:2537 139:1515 140:1104 141:1482 142:1420 143:1403
144:1210 145:350 146:1888 147:1513 148:2264 149:1843
150:866 151:1149 152:1836 153:455 154:3840 155:1410
156:1625 157:1290 158:1038 159:2235 160:2529 161:1421
162:3512 163:1456 164:1676 165:1628 166:836 167:1708
168:3847 169:917 170:4535 171:855 172:3509 173:3109
174:1034 175:1158 176:3611 177:4795 178:3554 179:2137
180:2352 181:3341 182:3241 183:1935 184:2355 185:19923
186:4550 187:3951 188:4043 189:3426 190:9066 191:1445
192:11007 193:8770 194:7186 195:5101 196:2962 197:2478
198:6012 199:6087 200:7635 201:5833 202:10574 203:10049
204:4607 205:3482 206:3844 207:3398 208:4112 209:4816
210:4418 211:2440 212:4052 213:3523 214:1099 215:57
216:6546 217:2622 218:1286 219:573 220:2051 221:948
222:838 223:2019
End of report
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