[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Mar 15 18:02:29 UTC 2024
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
UKNOF, 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 16 Mar, 2024
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: 938832
Prefixes after maximum aggregation (per Origin AS): 359054
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 458136
Total ASes present in the Internet Routing Table: 75465
Prefixes per ASN: 12.44
Origin-only ASes present in the Internet Routing Table: 64728
Origin ASes announcing only one prefix: 26585
Transit ASes present in the Internet Routing Table: 10737
Transit-only ASes present in the Internet Routing Table: 488
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: 1087
Number of instances of unregistered ASNs: 1089
Number of 32-bit ASNs allocated by the RIRs: 43832
Number of 32-bit ASNs visible in the Routing Table: 35997
Prefixes from 32-bit ASNs in the Routing Table: 182589
Number of bogon 32-bit ASNs visible in the Routing Table: 19
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 569
Number of addresses announced to Internet: 3026729344
Equivalent to 180 /8s, 104 /16s and 57 /24s
Percentage of available address space announced: 81.8
Percentage of allocated address space announced: 81.8
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: 309574
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 248975
Total APNIC prefixes after maximum aggregation: 73037
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 241635
Unique aggregates announced from the APNIC address blocks: 99927
APNIC Region origin ASes present in the Internet Routing Table: 14046
APNIC Prefixes per ASN: 17.20
APNIC Region origin ASes announcing only one prefix: 4252
APNIC Region transit ASes present in the Internet Routing Table: 1882
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9417
Number of APNIC addresses announced to Internet: 760791168
Equivalent to 45 /8s, 88 /16s and 192 /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, 131072-153913
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: 274840
Total ARIN prefixes after maximum aggregation: 124033
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 279590
Unique aggregates announced from the ARIN address blocks: 132782
ARIN Region origin ASes present in the Internet Routing Table: 19110
ARIN Prefixes per ASN: 14.63
ARIN Region origin ASes announcing only one prefix: 6944
ARIN Region transit ASes present in the Internet Routing Table: 1982
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4859
Number of ARIN addresses announced to Internet: 1269831680
Equivalent to 75 /8s, 176 /16s and 24 /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: 263654
Total RIPE prefixes after maximum aggregation: 126198
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 258410
Unique aggregates announced from the RIPE address blocks: 162493
RIPE Region origin ASes present in the Internet Routing Table: 28583
RIPE Prefixes per ASN: 9.04
RIPE Region origin ASes announcing only one prefix: 12134
RIPE Region transit ASes present in the Internet Routing Table: 3969
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 40
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11657
Number of RIPE addresses announced to Internet: 714437376
Equivalent to 42 /8s, 149 /16s and 115 /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
196608-216475
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: 120918
Total LACNIC prefixes after maximum aggregation: 28941
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 119318
Unique aggregates announced from the LACNIC address blocks: 49534
LACNIC Region origin ASes present in the Internet Routing Table: 11068
LACNIC Prefixes per ASN: 10.78
LACNIC Region origin ASes announcing only one prefix: 2621
LACNIC Region transit ASes present in the Internet Routing Table: 2378
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: 8928
Number of LACNIC addresses announced to Internet: 177196288
Equivalent to 10 /8s, 143 /16s and 205 /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: 29358
Total AfriNIC prefixes after maximum aggregation: 6123
AfriNIC Deaggregation factor: 4.79
Prefixes being announced from the AfriNIC address blocks: 39310
Unique aggregates announced from the AfriNIC address blocks: 12951
AfriNIC Region origin ASes present in the Internet Routing Table: 1761
AfriNIC Prefixes per ASN: 22.32
AfriNIC Region origin ASes announcing only one prefix: 634
AfriNIC Region transit ASes present in the Internet Routing Table: 342
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1136
Number of AfriNIC addresses announced to Internet: 104170240
Equivalent to 6 /8s, 53 /16s and 131 /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 9833 8740 57 CHINAMOBILE-CN China Mobile Communicati
7545 5654 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3839 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon
9498 3512 495 249 BBIL-AP BHARTI Airtel Ltd., IN
45899 3293 1872 98 VNPT-AS-VN VNPT Corp, VN
24560 2760 864 359 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2311 11259 574 KIXS-AS-KR Korea Telecom, KR
4755 2190 434 194 TATACOMM-AS TATA Communications formerl
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 9748 11339 3362 AMAZON-02, US
11492 4587 304 634 CABLEONE, US
7155 4181 288 96 VIASAT-SP-BACKBONE, US
22773 3611 3063 302 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3597 1320 75 SHAW, CA
174 3346 6645 679 COGENT-174, US
16625 3210 1393 2290 AKAMAI-AS, US
749 3192 54919 2444 DNIC-AS-00749, US
367 2919 3632 1402 DNIC-ASBLK-00306-00371, US
396982 2758 3640 406 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 7670 1714 147 UNI2-AS, ES
39891 4625 278 64 ALJAWWALSTC-AS, SA
20940 3876 3396 128 AKAMAI-ASN1, NL
9009 3248 282 1578 M247, RO
12389 2967 2303 901 ROSTELECOM-AS, RU
8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2346 363 589 TELLCOM-AS, TR
13188 1607 100 26 TRIOLAN, UA
8452 1519 1852 14 TE-AS TE-AS, EG
44477 1492 98 712 STARK-INDUSTRIES, GB
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 12244 3324 498 UNINET, MX
10620 3525 496 891 Telmex Colombia S.A., CO
13999 2509 340 652 Mega Cable, S.A. de C.V., MX
11830 2000 369 64 Instituto Costarricense de Electricidad
28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR
3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6503 1195 348 491 Axtel, S.A.B. de C.V., MX
11664 1143 179 425 Techtel LMDS Comunicaciones Interactiva
6147 1089 369 22 Telefonica del Peru S.A.A., PE
22884 1068 114 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV,
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
24835 1549 545 28 RAYA-AS, EG
24863 1504 389 20 LINKdotNET-AS, EG
36992 1369 1519 282 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 935 521 42 Vodafone-, EG
29571 633 58 180 ORANGE-COTE-IVOIRE, CI
6713 553 1861 34 IAM-AS, MA
15399 527 55 54 WANANCHI-, KE
36914 494 82 3 KENET-AS, KE
24757 428 73 5 EthioNet-AS, ET
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 12244 3324 498 UNINET, MX
9808 9833 8740 57 CHINAMOBILE-CN China Mobile Communicati
16509 9748 11339 3362 AMAZON-02, US
12479 7670 1714 147 UNI2-AS, ES
7545 5654 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4625 278 64 ALJAWWALSTC-AS, SA
11492 4587 304 634 CABLEONE, US
7155 4181 288 96 VIASAT-SP-BACKBONE, US
20940 3876 3396 128 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9833 9776 CHINAMOBILE-CN China Mobile Communications Grou
12479 7670 7523 UNI2-AS, ES
16509 9748 6386 AMAZON-02, US
7545 5654 4982 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4857 ERX-CERNET-BKB China Education and Research Net
39891 4625 4561 ALJAWWALSTC-AS, SA
7155 4181 4085 VIASAT-SP-BACKBONE, US
11492 4587 3953 CABLEONE, US
7552 3839 3819 VIETEL-AS-AP Viettel Group, VN
20940 3876 3748 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
65536 DOCUMENT 5.102.30.0/24 65512 -Private Use AS-, ZZ
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
40493 UNALLOCATED 8.17.26.0/24 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 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.176.160.0/24 Origin: 397327 RESERVED, ZZ
23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, US
27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24 Transit: 6939 HURRICANE, US
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 /9:14 /10:37 /11:95 /12:296
/13:578 /14:1189 /15:2064 /16:13280 /17:8217 /18:13728
/19:24845 /20:44015 /21:51452 /22:110907 /23:98442 /24:568911
/25:746 /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 6783 7670 UNI2-AS, ES
8151 6300 12244 UNINET, MX
11492 3500 4587 CABLEONE, US
6327 3394 3597 SHAW, CA
39891 3311 4625 ALJAWWALSTC-AS, SA
7155 3125 4181 VIASAT-SP-BACKBONE, US
22773 2647 3611 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2163 2507 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2131 3525 Telmex Colombia S.A., CO
8551 2127 2651 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1635 2:1570 3:313 4:6 5:4423 6:162
7:6 8:1525 9:1 11:172 12:1467 13:381
14:2407 15:315 16:210 17:370 18:753 20:355
21:4 22:188 23:6629 24:2712 25:2 27:2577
29:19 31:2626 32:49 34:59 35:126 36:2194
37:4494 38:7384 39:894 40:125 41:3855 42:983
43:2340 44:314 45:16913 46:4377 47:297 49:1936
50:1908 51:572 52:1587 54:312 55:970 56:5
57:154 58:1879 59:1182 60:1024 61:2586 62:2700
63:1907 64:5522 65:2314 66:4716 67:3055 68:1329
69:4076 70:1198 71:572 72:2900 74:2591 75:1550
76:632 77:2411 78:1844 79:2476 80:2152 81:1936
82:1508 83:1284 84:1651 85:3101 86:826 87:2254
88:1235 89:4024 90:682 91:8004 92:2189 93:2637
94:3642 95:4099 96:1298 97:312 98:1044 99:741
100:92 101:1175 102:2983 103:32540 104:4770 105:553
106:921 107:2765 108:1134 109:4074 110:2144 111:3240
112:2071 113:1559 114:1784 115:1988 116:1894 117:2614
118:2382 119:1957 120:1812 121:1333 122:2695 123:2229
124:1607 125:2869 126:28 128:1502 129:869 130:1090
131:1812 132:814 133:410 134:1716 135:311 136:948
137:1052 138:2817 139:1569 140:1378 141:1362 142:1561
143:1486 144:1021 145:346 146:2017 147:1718 148:2491
149:2574 150:1092 151:1334 152:1978 153:524 154:5882
155:1377 156:2253 157:1606 158:1102 159:2243 160:2266
161:1638 162:3594 163:1714 164:1614 165:2103 166:1076
167:1765 168:3948 169:786 170:4712 171:1018 172:3817
173:3041 174:910 175:1216 176:3656 177:4507 178:3592
179:2239 180:2363 181:3661 182:3410 183:1806 184:2265
185:20643 186:4923 187:4421 188:4016 189:4096 190:9314
191:1457 192:11005 193:9043 194:7449 195:5258 196:3085
197:2561 198:6021 199:7496 200:7985 201:6201 202:10491
203:10164 204:4576 205:3752 206:4497 207:3540 208:4151
209:5049 210:4658 211:2569 212:4296 213:3393 214:1104
215:43 216:6769 217:2805 218:1362 219:580 220:2057
221:1030 222:875 223:2232
End of report
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