[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Sep 16 18:02:51 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 17 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: 909144
Prefixes after maximum aggregation (per Origin AS): 342561
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 439421
Total ASes present in the Internet Routing Table: 73660
Prefixes per ASN: 12.34
Origin-only ASes present in the Internet Routing Table: 63260
Origin ASes announcing only one prefix: 26007
Transit ASes present in the Internet Routing Table: 10400
Transit-only ASes present in the Internet Routing Table: 404
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: 1126
Number of instances of unregistered ASNs: 1127
Number of 32-bit ASNs allocated by the RIRs: 40160
Number of 32-bit ASNs visible in the Routing Table: 33360
Prefixes from 32-bit ASNs in the Routing Table: 160068
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 616
Number of addresses announced to Internet: 3068824192
Equivalent to 182 /8s, 234 /16s and 138 /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: 308727
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 237144
Total APNIC prefixes after maximum aggregation: 67475
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 232071
Unique aggregates announced from the APNIC address blocks: 96334
APNIC Region origin ASes present in the Internet Routing Table: 12962
APNIC Prefixes per ASN: 17.90
APNIC Region origin ASes announcing only one prefix: 3743
APNIC Region transit ASes present in the Internet Routing Table: 1754
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: 8200
Number of APNIC addresses announced to Internet: 773418240
Equivalent to 46 /8s, 25 /16s and 109 /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: 265063
Total ARIN prefixes after maximum aggregation: 121004
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 265804
Unique aggregates announced from the ARIN address blocks: 128101
ARIN Region origin ASes present in the Internet Routing Table: 19054
ARIN Prefixes per ASN: 13.95
ARIN Region origin ASes announcing only one prefix: 6934
ARIN Region transit ASes present in the Internet Routing Table: 1916
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: 4618
Number of ARIN addresses announced to Internet: 1292487936
Equivalent to 77 /8s, 9 /16s and 205 /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: 260848
Total RIPE prefixes after maximum aggregation: 119782
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 258088
Unique aggregates announced from the RIPE address blocks: 153669
RIPE Region origin ASes present in the Internet Routing Table: 28175
RIPE Prefixes per ASN: 9.16
RIPE Region origin ASes announcing only one prefix: 12049
RIPE Region transit ASes present in the Internet Routing Table: 3985
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10801
Number of RIPE addresses announced to Internet: 718336128
Equivalent to 42 /8s, 208 /16s and 240 /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: 116632
Total LACNIC prefixes after maximum aggregation: 27906
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 116231
Unique aggregates announced from the LACNIC address blocks: 48971
LACNIC Region origin ASes present in the Internet Routing Table: 10965
LACNIC Prefixes per ASN: 10.60
LACNIC Region origin ASes announcing only one prefix: 2691
LACNIC Region transit ASes present in the Internet Routing Table: 2230
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: 8725
Number of LACNIC addresses announced to Internet: 176454912
Equivalent to 10 /8s, 132 /16s and 125 /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: 28331
Total AfriNIC prefixes after maximum aggregation: 5587
AfriNIC Deaggregation factor: 5.07
Prefixes being announced from the AfriNIC address blocks: 36334
Unique aggregates announced from the AfriNIC address blocks: 11838
AfriNIC Region origin ASes present in the Internet Routing Table: 1687
AfriNIC Prefixes per ASN: 21.54
AfriNIC Region origin ASes announcing only one prefix: 590
AfriNIC Region transit ASes present in the Internet Routing Table: 325
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: 1016
Number of AfriNIC addresses announced to Internet: 107810560
Equivalent to 6 /8s, 109 /16s and 15 /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 9063 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5914 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4720 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3575 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3499 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3361 1870 59 VNPT-AS-VN VNPT Corp, VN
4766 2471 11124 603 KIXS-AS-KR Korea Telecom, KR
9498 2445 499 238 BBIL-AP BHARTI Airtel Ltd., IN
24560 2206 852 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2173 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 7167 10498 2836 AMAZON-02, US
11492 4542 301 591 CABLEONE, US
7155 3898 265 32 VIASAT-SP-BACKBONE, US
22773 3795 3064 355 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3530 1826 2532 AKAMAI-AS, US
6327 3464 1319 63 SHAW, CA
749 3033 50728 2291 DNIC-AS-00749, US
30036 2616 370 231 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2533 3387 365 GOOGLE-CLOUD-PLATFORM, US
209 2348 4935 394 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 6913 1730 144 UNI2-AS, ES
9121 6854 1692 17 TTNET, TR
20940 4062 3348 217 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3986 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2943 2290 910 ROSTELECOM-AS, RU
6849 2702 355 21 UKRTELNET, UA
9009 2604 251 1344 M247, GB
34984 2257 358 633 TELLCOM-AS, TR
47331 1985 312 1500 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 10950 3394 557 Uninet S.A. de C.V., MX
10620 3501 515 787 Telmex Colombia S.A., CO
11830 2322 369 65 Instituto Costarricense de Electricidad
13999 1995 325 510 Mega Cable, S.A. de C.V., MX
28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR
6503 1289 338 520 Axtel, S.A.B. de C.V., MX
3816 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1134 369 21 Telefonica del Peru S.A.A., PE
11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva
26615 985 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 1556 393 21 LINKdotNET-AS, EG
24835 1520 521 31 RAYA-AS, EG
36992 1346 1519 268 ETISALAT-MISR, EG
36903 1268 550 99 MT-MPLS, MA
29571 989 68 32 ORANGE-COTE-IVOIRE, CI
36935 810 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 522 52 40 WANANCHI-, KE
37342 481 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 10950 3394 557 Uninet S.A. de C.V., MX
9808 9063 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7167 10498 2836 AMAZON-02, US
12479 6913 1730 144 UNI2-AS, ES
9121 6854 1692 17 TTNET, TR
7545 5914 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4720 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4542 301 591 CABLEONE, US
20940 4062 3348 217 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 9063 9013 CHINAMOBILE-CN China Mobile Communications Grou
9121 6854 6837 TTNET, TR
12479 6913 6769 UNI2-AS, ES
7545 5914 5218 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4720 4645 ERX-CERNET-BKB China Education and Research Net
16509 7167 4331 AMAZON-02, US
39891 4010 3963 ALJAWWALSTC-AS, SA
11492 4542 3951 CABLEONE, US
8551 3986 3948 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3898 3866 VIASAT-SP-BACKBONE, US
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
18604 UNALLOCATED 8.25.204.0/24 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
24.152.20.0/23 Origin: 270472 UNASSIGNED
24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR
24.152.22.0/23 Origin: 270472 UNASSIGNED
24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR
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 /11:101 /12:297
/13:591 /14:1208 /15:2059 /16:13514 /17:8339 /18:13955
/19:25148 /20:44502 /21:52362 /22:109317 /23:97324 /24:539556
/25:803 /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 6000 6854 TTNET, TR
12479 5911 6913 UNI2-AS, ES
8151 4688 10950 Uninet S.A. de C.V., MX
11492 3462 4542 CABLEONE, US
8551 3450 3986 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3274 3464 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2987 3898 VIASAT-SP-BACKBONE, US
22773 2811 3795 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2558 2702 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1911 2:1020 3:163 4:5 5:3884 6:116
7:6 8:1600 9:1 11:173 12:1634 13:340
14:2367 15:262 16:51 17:361 18:308 20:244
21:4 22:188 23:5947 24:2445 25:6 27:2663
29:19 31:2413 32:94 34:7 35:88 36:1857
37:4474 38:3557 39:740 40:155 41:3916 42:1149
43:2243 44:289 45:16127 46:4188 47:308 48:1
49:1695 50:1932 51:241 52:1493 54:385 55:833
56:8 57:64 58:1786 59:1163 60:983 61:2309
62:2547 63:1916 64:5600 65:2306 66:4879 67:2968
68:1209 69:4156 70:1312 71:686 72:2999 74:2645
75:1455 76:593 77:2266 78:3995 79:3131 80:2058
81:1810 82:1506 83:1200 84:1394 85:3721 86:729
87:1913 88:2826 89:3422 90:557 91:7594 92:2057
93:2543 94:3537 95:4798 96:1309 97:348 98:1031
99:721 100:75 101:1067 102:2319 103:29985 104:4555
105:472 106:889 107:2542 108:892 109:4319 110:1997
111:3324 112:2040 113:1539 114:1500 115:2007 116:1914
117:2480 118:2321 119:1827 120:1736 121:1078 122:2532
123:2093 124:1554 125:2149 128:1224 129:1029 130:1004
131:2029 132:821 133:377 134:1945 135:296 136:860
137:876 138:2522 139:1512 140:950 141:1455 142:1333
143:1395 144:1197 145:343 146:1851 147:1520 148:2215
149:1806 150:868 151:1102 152:1822 153:467 154:3771
155:1424 156:1692 157:1278 158:1041 159:2189 160:2532
161:1343 162:3500 163:1401 164:1674 165:1658 166:794
167:1724 168:3820 169:870 170:4509 171:845 172:3352
173:3118 174:1022 175:1150 176:3606 177:4687 178:3579
179:2144 180:2330 181:3292 182:3232 183:1931 184:2359
185:19710 186:4617 187:3929 188:4008 189:3470 190:8990
191:1490 192:10992 193:8702 194:7130 195:5064 196:2970
197:2459 198:5981 199:6029 200:7697 201:5797 202:10530
203:10028 204:4508 205:3457 206:3841 207:3434 208:4053
209:4719 210:4333 211:2397 212:4077 213:3480 214:1117
215:54 216:6402 217:2630 218:1286 219:567 220:2010
221:922 222:827 223:2004
End of report
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