[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Feb 23 20:31:56 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Sun 23 Feb, 2025
IPv4 BGP Table (R&E) as seen at PREGINET.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PREGINET/
Analysis Summary
----------------
BGP routing table entries examined: 157764
Prefixes after maximum aggregation (per Origin AS): 63637
Deaggregation factor: 2.48
Unique aggregates announced (without unneeded subnets): 90773
Number of IPv4 prefixes with a valid ROA: 84792
Number of IPv4 prefixes with an invalid ROA: 62
Number of IPv4 prefixes with no ROA: 72910
Total ASes present in the Internet Routing Table: 14562
Prefixes per ASN: 10.83
Origin-only ASes present in the Internet Routing Table: 12293
Origin ASes announcing only one prefix: 5896
Transit ASes present in the Internet Routing Table: 2269
Transit-only ASes present in the Internet Routing Table: 507
Paths with bogon ASNs present in the IPv4 Routing Table: 16
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 40
Max AS path prepend of ASN ( 37447) 36
Prefixes from unregistered ASNs in the Routing Table: 55
Number of instances of unregistered ASNs: 72
Number of 32-bit ASNs allocated by the RIRs: 46189
Number of 32-bit ASNs visible in the Routing Table: 7196
Prefixes from 32-bit ASNs in the Routing Table: 29664
Number of bogon 32-bit ASNs visible in the Routing Table: 36
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 44
Number of addresses announced to Internet: 508972544
Equivalent to 30 /8s, 86 /16s and 78 /24s
Percentage of available address space announced: 13.7
Percentage of allocated address space announced: 13.7
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: 38439
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76780
Total APNIC prefixes after maximum aggregation: 25382
APNIC Deaggregation factor: 3.02
Prefixes being announced from the APNIC address blocks: 75206
Unique aggregates announced from the APNIC address blocks: 36901
APNIC Region origin ASes present in the Internet Routing Table: 4864
APNIC Prefixes per ASN: 15.46
APNIC Region origin ASes announcing only one prefix: 1787
APNIC Region transit ASes present in the Internet Routing Table: 724
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3080
Number of APNIC addresses announced to Internet: 191832064
Equivalent to 11 /8s, 111 /16s and 32 /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, 131072-155961
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: 26736
Total ARIN prefixes after maximum aggregation: 14440
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26467
Unique aggregates announced from the ARIN address blocks: 20616
ARIN Region origin ASes present in the Internet Routing Table: 2134
ARIN Prefixes per ASN: 12.40
ARIN Region origin ASes announcing only one prefix: 1011
ARIN Region transit ASes present in the Internet Routing Table: 232
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 468
Number of ARIN addresses announced to Internet: 168039680
Equivalent to 10 /8s, 4 /16s and 21 /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, 393216-402332
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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 39529
Total RIPE prefixes after maximum aggregation: 18631
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 40053
Unique aggregates announced from the RIPE address blocks: 24958
RIPE Region origin ASes present in the Internet Routing Table: 4583
RIPE Prefixes per ASN: 8.74
RIPE Region origin ASes announcing only one prefix: 2117
RIPE Region transit ASes present in the Internet Routing Table: 661
Average RIPE Region AS path length visible: 6.3
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1616
Number of RIPE addresses announced to Internet: 121826304
Equivalent to 7 /8s, 66 /16s and 236 /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,
53/8, 57/8, 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: 13316
Total LACNIC prefixes after maximum aggregation: 4676
LACNIC Deaggregation factor: 2.85
Prefixes being announced from the LACNIC address blocks: 12973
Unique aggregates announced from the LACNIC address blocks: 6324
LACNIC Region origin ASes present in the Internet Routing Table: 2341
LACNIC Prefixes per ASN: 5.54
LACNIC Region origin ASes announcing only one prefix: 947
LACNIC Region transit ASes present in the Internet Routing Table: 521
Average LACNIC Region AS path length visible: 7.2
Max LACNIC Region AS path length visible: 37
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1970
Number of LACNIC addresses announced to Internet: 21223424
Equivalent to 1 /8s, 67 /16s and 216 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 1348
Total AfriNIC prefixes after maximum aggregation: 464
AfriNIC Deaggregation factor: 2.91
Prefixes being announced from the AfriNIC address blocks: 3021
Unique aggregates announced from the AfriNIC address blocks: 1938
AfriNIC Region origin ASes present in the Internet Routing Table: 113
AfriNIC Prefixes per ASN: 26.73
AfriNIC Region origin ASes announcing only one prefix: 34
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 7.0
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 62
Number of AfriNIC addresses announced to Internet: 6020352
Equivalent to 0 /8s, 91 /16s and 221 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 10158 8753 87 CHINAMOBILE-CN China Mobile Communication
9498 4155 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2842 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2006 6036 932 KIXS-AS-KR Korea Telecom, KR
45609 1795 813 333 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
7552 1633 667 484 VIETEL-AS-AP Viettel Group, VN
56046 1581 804 173 CMNET-JIANGSU-AP China Mobile communicati
56041 1545 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 53 CMNET-HUNAN-AP China Mobile communication
9919 963 170 64 NCIC-TW New Century InfoComm Tech Co., Lt
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
30036 2432 340 615 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 3095 505 CHARTER-20115, US
16509 2175 3518 1245 AMAZON-02, US
11492 1900 131 1026 CABLEONE, US
714 1207 4391 8 APPLE-ENGINEERING, US
8075 712 16017 603 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 640 1940 303 TWC-10796-MIDWEST, US
12083 447 191 84 WOW-INTERNET, US
2152 383 39 259 CENIC-2152, US
33363 383 1416 210 BHN-33363, US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 4179 255 52 ALJAWWALSTC-AS, SA
12389 2219 1998 786 ROSTELECOM-AS, RU
49505 854 92 355 SELECTEL, RU
25019 763 643 292 SAUDINETSTC-AS, SA
50010 661 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 575 36 256 TIMEWEB-AS, RU
9155 431 37 9 QNET Kuwait, KW
42772 374 63 104 A1-BY-AS, BY
20940 351 3388 44 AKAMAI-ASN1, NL
209242 348 31 313 CLOUDFLARESPECTRUM Cloudflare, Inc., US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 2405 800 397 UNINET, MX
7738 605 1807 67 V tal, BR
8167 318 1083 46 V tal, BR
1916 235 178 41 Rede Nacional de Ensino e Pesquisa, BR
28201 218 16 28 Companhia Itabirana Telecomunicacoes Ltda
28391 157 10 69 Universidad Juarez Autonoma de Tabasco, M
52251 139 6 9 NORTECH, AR
11014 131 10 26 CPS, AR
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11340 108 9 52 Red Universitaria Nacional, CL
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 378 319 70 TENET-1, ZA
36873 198 83 44 VNL1-AS, NG
15399 152 32 34 WANANCHI-, KE
37075 78 248 27 ZAINUGAS, UG
30999 74 25 33 EMTEL-AS-AP, MU
8094 47 48 18 PUKNET, ZA
37315 46 10 5 CipherWave, ZA
6879 24 2 9 ENSTINET-, EG
37531 20 2 15 AIRTEL-NIGER, NE
37550 18 8 1 airtelcg, CG
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
9808 10158 8753 87 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4155 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2842 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2432 340 615 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 2405 800 397 UNINET, MX
20115 2232 3095 505 CHARTER-20115, US
12389 2219 1998 786 ROSTELECOM-AS, RU
16509 2175 3518 1245 AMAZON-02, US
4766 2006 6036 932 KIXS-AS-KR Korea Telecom, KR
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
39891 4179 4127 ALJAWWALSTC-AS, SA
9498 4155 3890 BBIL-AP BHARTI Airtel Ltd., IN
24560 2842 2313 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
8151 2405 2008 UNINET, MX
30036 2432 1817 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 1727 CHARTER-20115, US
56041 1545 1471 CMNET-ZHEJIANG-AP China Mobile communications c
45609 1795 1462 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56047 1504 1451 CMNET-HUNAN-AP China Mobile communications corp
12389 2219 1433 ROSTELECOM-AS, RU
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI
393377 UNALLOCATED 12.195.116.0/24 40264 TWC-40264-WI-MN-UPPERMI
46123 UNALLOCATED 24.73.234.0/24 33363 BHN-33363, US
53771 UNALLOCATED 24.172.253.0/24 11426 TWC-11426-CAROLINAS, US
53657 UNALLOCATED 24.213.247.0/24 11351 TWC-11351-NORTHEAST, US
11835 UNALLOCATED 45.4.236.0/22 14868 Ligga Telecomunicacoes
40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, US
396324 UNALLOCATED 66.57.112.0/24 11426 TWC-11426-CAROLINAS, US
26345 UNALLOCATED 71.13.182.0/24 20115 CHARTER-20115, US
46123 UNALLOCATED 71.46.221.0/24 33363 BHN-33363, US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/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://bgp.nsrc.org/REN/PREGINET/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
45.127.96.0/22 Origin: 55933 CLOUDIE-AS-AP Cloudie Limited, HK
45.127.96.0/22 Transit: 6939 HURRICANE, US
45.252.60.0/22 Origin: 997 KLAYER, US
45.252.60.0/22 Transit: 55933 CLOUDIE-AS-AP Cloudie Limited, HK
103.5.136.0/22 Origin: 4686 BEKKOAME BEKKOAME INTERNET INC., JP
103.5.136.0/22 Transit: 10013 FBDC FreeBit Co.,Ltd., JP
103.6.224.0/22 Origin: 4686 BEKKOAME BEKKOAME INTERNET INC., JP
103.6.224.0/22 Transit: 10013 FBDC FreeBit Co.,Ltd., JP
103.8.106.0/24 Origin: 135391 AOFEI-HK AOFEI DATA INTERNATIONAL COMPAN
103.8.106.0/24 Transit: 55888 NINTATSU Nintatsu Global Telecommunicati
Complete listing at https://bgp.nsrc.org/REN/PREGINET/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 /8:1 /9:2 /10:13 /11:13 /12:48
/13:79 /14:162 /15:397 /16:2496 /17:1385 /18:2798
/19:4405 /20:7731 /21:9305 /22:16898 /23:16277 /24:95753
/25:1 /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
39891 3321 4179 ALJAWWALSTC-AS, SA
30036 2116 2432 MEDIACOM-ENTERPRISE-BUSINESS, US
11492 1336 1900 CABLEONE, US
12389 1322 2219 ROSTELECOM-AS, RU
8151 1307 2405 UNINET, MX
49505 590 854 SELECTEL, RU
20115 548 2232 CHARTER-20115, US
50010 548 661 NAWRAS-AS Sultanate of Oman, OM
16509 479 2175 AMAZON-02, US
9123 461 575 TIMEWEB-AS, RU
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:251 2:309 3:95 5:1055 6:4 8:56
12:83 13:85 14:431 15:56 16:60 17:307
18:76 20:23 23:727 24:501 25:2 27:602
31:528 32:2 34:3 35:37 36:1340 37:569
38:537 39:688 40:1 41:62 42:163 43:657
44:16 45:2440 46:748 47:63 49:203 50:324
51:138 52:259 54:41 57:28 58:288 59:456
60:95 61:814 62:595 63:130 64:397 65:177
66:306 67:317 68:68 69:253 70:32 71:79
72:243 74:197 75:66 76:55 77:492 78:444
79:234 80:247 81:343 82:356 83:187 84:178
85:333 86:138 87:302 88:98 89:504 90:132
91:1402 92:425 93:936 94:688 95:1450 96:272
97:146 98:76 99:47 101:511 102:116 103:7967
104:392 105:181 106:290 107:107 108:137 109:422
110:250 111:2096 112:910 113:357 114:827 115:263
116:362 117:1372 118:367 119:287 120:1230 121:416
122:1788 123:476 124:318 125:1590 126:1 128:392
129:56 130:131 131:210 132:45 133:303 134:160
135:25 136:81 137:160 138:322 139:236 140:311
141:200 142:92 143:163 144:114 145:94 146:377
147:250 148:358 149:238 150:272 151:494 152:459
153:36 154:867 155:166 156:452 157:273 158:130
159:389 160:631 161:145 162:259 163:260 164:145
165:226 166:62 167:203 168:489 169:82 170:552
171:152 172:217 173:988 174:121 175:554 176:694
177:602 178:673 179:215 180:482 181:183 182:1597
183:1068 184:134 185:2273 186:256 187:497 188:623
189:318 190:512 191:110 192:1754 193:1109 194:933
195:775 196:259 197:101 198:745 199:536 200:780
201:629 202:2423 203:2198 204:271 205:270 206:338
207:320 208:240 209:304 210:1506 211:1159 212:814
213:547 214:9 216:382 217:553 218:797 219:68
220:595 221:368 222:131 223:1059
End of report
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