[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 28 18:03:08 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 29 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: 913431
Prefixes after maximum aggregation (per Origin AS): 344677
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 440775
Total ASes present in the Internet Routing Table: 73756
Prefixes per ASN: 12.38
Origin-only ASes present in the Internet Routing Table: 63346
Origin ASes announcing only one prefix: 26009
Transit ASes present in the Internet Routing Table: 10410
Transit-only ASes present in the Internet Routing Table: 411
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: 1068
Number of instances of unregistered ASNs: 1071
Number of 32-bit ASNs allocated by the RIRs: 40510
Number of 32-bit ASNs visible in the Routing Table: 33589
Prefixes from 32-bit ASNs in the Routing Table: 162188
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: 527
Number of addresses announced to Internet: 3064049024
Equivalent to 182 /8s, 161 /16s and 173 /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: 310290
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 238504
Total APNIC prefixes after maximum aggregation: 67891
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 233487
Unique aggregates announced from the APNIC address blocks: 96685
APNIC Region origin ASes present in the Internet Routing Table: 13050
APNIC Prefixes per ASN: 17.89
APNIC Region origin ASes announcing only one prefix: 3749
APNIC Region transit ASes present in the Internet Routing Table: 1763
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 33
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8296
Number of APNIC addresses announced to Internet: 773644800
Equivalent to 46 /8s, 28 /16s and 226 /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: 266822
Total ARIN prefixes after maximum aggregation: 121568
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 268075
Unique aggregates announced from the ARIN address blocks: 128894
ARIN Region origin ASes present in the Internet Routing Table: 19061
ARIN Prefixes per ASN: 14.06
ARIN Region origin ASes announcing only one prefix: 6959
ARIN Region transit ASes present in the Internet Routing Table: 1924
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4661
Number of ARIN addresses announced to Internet: 1289996800
Equivalent to 76 /8s, 227 /16s and 202 /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: 261940
Total RIPE prefixes after maximum aggregation: 120746
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 258812
Unique aggregates announced from the RIPE address blocks: 154488
RIPE Region origin ASes present in the Internet Routing Table: 28152
RIPE Prefixes per ASN: 9.19
RIPE Region origin ASes announcing only one prefix: 11998
RIPE Region transit ASes present in the Internet Routing Table: 3966
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10864
Number of RIPE addresses announced to Internet: 716309888
Equivalent to 42 /8s, 178 /16s and 5 /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: 116612
Total LACNIC prefixes after maximum aggregation: 28105
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 116120
Unique aggregates announced from the LACNIC address blocks: 48367
LACNIC Region origin ASes present in the Internet Routing Table: 10985
LACNIC Prefixes per ASN: 10.57
LACNIC Region origin ASes announcing only one prefix: 2707
LACNIC Region transit ASes present in the Internet Routing Table: 2246
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: 8744
Number of LACNIC addresses announced to Internet: 175875840
Equivalent to 10 /8s, 123 /16s and 167 /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: 28485
Total AfriNIC prefixes after maximum aggregation: 5578
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 36410
Unique aggregates announced from the AfriNIC address blocks: 11915
AfriNIC Region origin ASes present in the Internet Routing Table: 1698
AfriNIC Prefixes per ASN: 21.44
AfriNIC Region origin ASes announcing only one prefix: 596
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: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1024
Number of AfriNIC addresses announced to Internet: 107920128
Equivalent to 6 /8s, 110 /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 9074 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5937 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4726 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3614 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3500 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3390 1877 66 VNPT-AS-VN VNPT Corp, VN
4766 2533 11252 600 KIXS-AS-KR Korea Telecom, KR
9498 2491 499 237 BBIL-AP BHARTI Airtel Ltd., IN
24560 2243 851 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2179 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 7449 10588 2892 AMAZON-02, US
11492 4631 306 502 CABLEONE, US
7155 3898 265 32 VIASAT-SP-BACKBONE, US
22773 3733 3057 322 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3533 1843 2542 AKAMAI-AS, US
6327 3516 1320 63 SHAW, CA
749 3029 50727 2287 DNIC-AS-00749, US
7018 2612 24153 1578 ATT-INTERNET4, US
30036 2606 372 243 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2558 3480 349 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 6919 1730 144 UNI2-AS, ES
9121 6835 1692 17 TTNET, TR
20940 4108 3400 182 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2950 2290 913 ROSTELECOM-AS, RU
9009 2625 252 1348 M247, RO
6849 2439 339 20 UKRTELNET, UA
34984 2240 357 614 TELLCOM-AS, TR
47331 2077 322 1580 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 10856 3298 605 Uninet S.A. de C.V., MX
10620 3471 510 838 Telmex Colombia S.A., CO
11830 2295 369 64 Instituto Costarricense de Electricidad
13999 2091 341 548 Mega Cable, S.A. de C.V., MX
28573 1334 2328 263 Claro NXT Telecomunicacoes Ltda, BR
6503 1295 338 521 Axtel, S.A.B. de C.V., MX
3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1090 181 467 Techtel LMDS Comunicaciones Interactiva
6147 1087 369 22 Telefonica del Peru S.A.A., PE
26615 989 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 1575 393 21 LINKdotNET-AS, EG
24835 1545 521 31 RAYA-AS, EG
36992 1350 1519 270 ETISALAT-MISR, EG
36903 1248 550 99 MT-MPLS, MA
29571 992 68 32 ORANGE-COTE-IVOIRE, CI
36935 815 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 526 53 42 WANANCHI-, KE
37342 495 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 10856 3298 605 Uninet S.A. de C.V., MX
9808 9074 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7449 10588 2892 AMAZON-02, US
12479 6919 1730 144 UNI2-AS, ES
9121 6835 1692 17 TTNET, TR
7545 5937 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4726 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4631 306 502 CABLEONE, US
20940 4108 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 9074 9024 CHINAMOBILE-CN China Mobile Communications Grou
9121 6835 6818 TTNET, TR
12479 6919 6775 UNI2-AS, ES
7545 5937 5242 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4726 4651 ERX-CERNET-BKB China Education and Research Net
16509 7449 4557 AMAZON-02, US
11492 4631 4129 CABLEONE, US
39891 4010 3963 ALJAWWALSTC-AS, SA
8551 3980 3942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
20940 4108 3926 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.158.240.0/24 Origin: 13465 UNASSIGNED
23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA
23.181.240.0/24 Origin: 399613 UNASSIGNED
23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR
24.48.128.0/19 Origin: 29866 OPTICALTEL, US
24.48.128.0/19 Transit: 3257 GTT-BACKBONE GTT, 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 /9:13 /10:39 /11:100 /12:294
/13:589 /14:1202 /15:2045 /16:13495 /17:8343 /18:13975
/19:25200 /20:44384 /21:52211 /22:109833 /23:97775 /24:543132
/25:785 /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 5981 6835 TTNET, TR
12479 5926 6919 UNI2-AS, ES
8151 4819 10856 Uninet S.A. de C.V., MX
11492 3537 4631 CABLEONE, US
8551 3444 3980 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3324 3516 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2988 3898 VIASAT-SP-BACKBONE, US
22773 2767 3733 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2302 2439 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1905 2:1015 3:167 4:5 5:3998 6:116
7:5 8:1598 9:1 11:173 12:1621 13:354
14:2341 15:277 16:69 17:359 18:346 20:241
21:4 22:188 23:5980 24:2466 25:6 27:2710
29:19 31:2453 32:94 34:7 35:92 36:1799
37:4498 38:3742 39:753 40:159 41:3908 42:1180
43:2300 44:297 45:16294 46:4208 47:375 49:1724
50:1931 51:244 52:1500 54:398 55:843 56:8
57:78 58:1790 59:1164 60:996 61:2404 62:2583
63:1968 64:5628 65:2328 66:4853 67:2980 68:1379
69:4157 70:1300 71:679 72:2971 74:2652 75:1473
76:600 77:2251 78:3964 79:3146 80:2041 81:1823
82:1521 83:1218 84:1438 85:3734 86:731 87:1918
88:2843 89:3423 90:549 91:7595 92:2068 93:2549
94:3546 95:4822 96:1353 97:346 98:1169 99:739
100:69 101:1068 102:2336 103:30323 104:4519 105:477
106:890 107:2539 108:905 109:4324 110:2003 111:3323
112:2050 113:1551 114:1520 115:2023 116:1922 117:2475
118:2321 119:1849 120:1731 121:1090 122:2565 123:2117
124:1553 125:2183 128:1262 129:986 130:975 131:2015
132:846 133:379 134:1889 135:290 136:876 137:900
138:2496 139:1515 140:1127 141:1467 142:1402 143:1402
144:1203 145:353 146:1872 147:1536 148:2260 149:1830
150:875 151:1135 152:1824 153:469 154:3821 155:1428
156:1638 157:1302 158:1045 159:2206 160:2562 161:1383
162:3503 163:1433 164:1684 165:1637 166:809 167:1718
168:3815 169:903 170:4536 171:851 172:3463 173:3109
174:1041 175:1155 176:3595 177:4760 178:3528 179:2121
180:2341 181:3319 182:3238 183:1942 184:2356 185:19846
186:4531 187:3951 188:4047 189:3473 190:8984 191:1432
192:10987 193:8755 194:7175 195:5089 196:2976 197:2473
198:6008 199:6067 200:7605 201:5818 202:10544 203:10038
204:4601 205:3497 206:3902 207:3420 208:4092 209:4800
210:4336 211:2437 212:4055 213:3577 214:1082 215:53
216:6486 217:2624 218:1292 219:576 220:2045 221:924
222:827 223:2014
End of report
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