[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Apr 24 20:31:58 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Thu 24 Apr, 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: 158500
Prefixes after maximum aggregation (per Origin AS): 63510
Deaggregation factor: 2.50
Unique aggregates announced (without unneeded subnets): 90401
Number of IPv4 prefixes with a valid ROA: 87468
Number of IPv4 prefixes with an invalid ROA: 63
Number of IPv4 prefixes with no ROA: 70969
Total ASes present in the Internet Routing Table: 14684
Prefixes per ASN: 10.79
Origin-only ASes present in the Internet Routing Table: 12419
Origin ASes announcing only one prefix: 6015
Transit ASes present in the Internet Routing Table: 2265
Transit-only ASes present in the Internet Routing Table: 510
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 45
Max AS path prepend of ASN (212940) 40
Prefixes from unregistered ASNs in the Routing Table: 86
Number of instances of unregistered ASNs: 86
Number of 32-bit ASNs allocated by the RIRs: 46259
Number of 32-bit ASNs visible in the Routing Table: 7316
Prefixes from 32-bit ASNs in the Routing Table: 30042
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 65
Number of addresses announced to Internet: 505281024
Equivalent to 30 /8s, 29 /16s and 250 /24s
Percentage of available address space announced: 13.6
Percentage of allocated address space announced: 13.6
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: 39067
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78123
Total APNIC prefixes after maximum aggregation: 25386
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 76394
Unique aggregates announced from the APNIC address blocks: 37085
APNIC Region origin ASes present in the Internet Routing Table: 5015
APNIC Prefixes per ASN: 15.23
APNIC Region origin ASes announcing only one prefix: 1857
APNIC Region transit ASes present in the Internet Routing Table: 734
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3232
Number of APNIC addresses announced to Internet: 189066752
Equivalent to 11 /8s, 68 /16s and 238 /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: 26382
Total ARIN prefixes after maximum aggregation: 14429
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 26262
Unique aggregates announced from the ARIN address blocks: 20205
ARIN Region origin ASes present in the Internet Routing Table: 2118
ARIN Prefixes per ASN: 12.40
ARIN Region origin ASes announcing only one prefix: 1010
ARIN Region transit ASes present in the Internet Routing Table: 234
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 459
Number of ARIN addresses announced to Internet: 167298816
Equivalent to 9 /8s, 248 /16s and 199 /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: 39767
Total RIPE prefixes after maximum aggregation: 18750
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 40592
Unique aggregates announced from the RIPE address blocks: 25450
RIPE Region origin ASes present in the Internet Routing Table: 4628
RIPE Prefixes per ASN: 8.77
RIPE Region origin ASes announcing only one prefix: 2146
RIPE Region transit ASes present in the Internet Routing Table: 677
Average RIPE Region AS path length visible: 6.2
Max RIPE Region AS path length visible: 45
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1638
Number of RIPE addresses announced to Internet: 124867328
Equivalent to 7 /8s, 113 /16s and 83 /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: 12309
Total LACNIC prefixes after maximum aggregation: 4418
LACNIC Deaggregation factor: 2.79
Prefixes being announced from the LACNIC address blocks: 11732
Unique aggregates announced from the LACNIC address blocks: 5695
LACNIC Region origin ASes present in the Internet Routing Table: 2259
LACNIC Prefixes per ASN: 5.19
LACNIC Region origin ASes announcing only one prefix: 951
LACNIC Region transit ASes present in the Internet Routing Table: 485
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1913
Number of LACNIC addresses announced to Internet: 18296832
Equivalent to 1 /8s, 23 /16s and 48 /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: 1833
Total AfriNIC prefixes after maximum aggregation: 465
AfriNIC Deaggregation factor: 3.94
Prefixes being announced from the AfriNIC address blocks: 3455
Unique aggregates announced from the AfriNIC address blocks: 1932
AfriNIC Region origin ASes present in the Internet Routing Table: 129
AfriNIC Prefixes per ASN: 26.78
AfriNIC Region origin ASes announcing only one prefix: 51
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 7.5
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 74
Number of AfriNIC addresses announced to Internet: 5719552
Equivalent to 0 /8s, 87 /16s and 70 /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 10190 8754 92 CHINAMOBILE-CN China Mobile Communication
9498 4164 497 264 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 851 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2255 1085 454 VIETEL-AS-AP Viettel Group, VN
4766 2038 6037 957 KIXS-AS-KR Korea Telecom, KR
45609 1845 826 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1598 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1574 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
9919 966 170 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 2385 333 714 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2226 3619 1275 AMAZON-02, US
11492 1891 131 1030 CABLEONE, US
714 1223 4391 8 APPLE-ENGINEERING, US
8075 751 16020 635 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 576 192 88 WOW-INTERNET, US
2152 396 44 265 CENIC-2152, US
33363 384 1416 213 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 2304 1997 779 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 916 639 325 SAUDINETSTC-AS, SA
49505 859 92 356 SELECTEL, RU
50010 617 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 615 38 274 TIMEWEB-AS, RU
9198 472 177 176 KAZTELECOM-AS, KZ
9155 426 37 9 QNET Kuwait, KW
21299 423 77 60 KAR-TEL-AS Almaty, Republic of Kazakhstan
42772 373 63 104 A1-BY-AS, BY
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 1864 677 243 UNINET, MX
7738 595 1775 65 V tal, BR
8167 342 1089 44 V tal, BR
1916 235 177 40 Rede Nacional de Ensino e Pesquisa, BR
28201 217 16 28 Companhia Itabirana Telecomunicacoes Ltda
28391 159 10 71 Universidad Juarez Autonoma de Tabasco, M
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11014 128 10 26 CPS, AR
11340 110 25 52 Red Universitaria Nacional, CL
19089 107 18 45 Scala Data Centers, BR
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
36914 553 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 198 83 30 VNL1-AS, NG
15399 95 8 44 WANANCHI-, KE
30999 74 25 32 EMTEL-AS-AP, MU
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 34 8 1 MAREN, MW
327885 27 4 3 Viettel-Tanzania, TZ
6879 24 2 9 ENSTINET-, EG
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 10190 8754 92 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4164 497 264 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 851 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2385 333 714 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2304 1997 779 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2255 1085 454 VIETEL-AS-AP Viettel Group, VN
20115 2235 3097 506 CHARTER-20115, US
16509 2226 3619 1275 AMAZON-02, US
4766 2038 6037 957 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 4164 3900 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 2320 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2255 1801 VIETEL-AS-AP Viettel Group, VN
20115 2235 1729 CHARTER-20115, US
30036 2385 1671 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 1864 1621 UNINET, MX
12389 2304 1525 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1845 1524 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56041 1574 1500 CMNET-ZHEJIANG-AP China Mobile communications c
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
202528 UNALLOCATED 23.143.136.0/24 153371 BACKWAVESLIMITED-AS-AP
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
268652 UNALLOCATED 45.165.20.0/22 264493 UNASSIGNED
36288 UNALLOCATED 64.79.154.0/24 293 ESNET, US
40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, 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
102.219.4.0/22 Origin: 328932 RESERVED, ZZ
102.219.4.0/22 Transit: 36873 VNL1-AS, NG
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
103.12.68.0/22 Origin: 152194 CTGSERVERLIMITED-AS-AP CTG Server Limite
103.12.68.0/22 Transit: 17476 CHL-AS-AP CloudRadium HK Limited, HK
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 /12:47
/13:82 /14:167 /15:396 /16:2479 /17:1325 /18:2805
/19:4406 /20:7622 /21:9445 /22:17314 /23:16417 /24:95965
/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 2069 2385 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1400 2304 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1314 1891 CABLEONE, US
8151 1028 1864 UNINET, MX
49505 595 859 SELECTEL, RU
20115 551 2235 CHARTER-20115, US
36914 529 553 KENET-AS, KE
50010 515 617 NAWRAS-AS Sultanate of Oman, OM
9123 498 615 TIMEWEB-AS, RU
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:199 2:328 3:102 5:1094 8:69 12:80
13:87 14:391 15:58 16:63 17:316 18:72
20:28 23:731 24:593 25:2 27:609 31:521
32:2 34:3 35:37 36:1355 37:649 38:512
39:700 40:1 41:254 42:144 43:666 44:22
45:2440 46:781 47:63 49:207 50:310 51:138
52:257 54:41 57:28 58:299 59:452 60:95
61:816 62:546 63:114 64:376 65:286 66:273
67:303 68:66 69:261 70:33 71:82 72:247
74:204 75:68 76:62 77:495 78:452 79:244
80:213 81:348 82:379 83:186 84:194 85:385
86:144 87:305 88:109 89:476 90:133 91:1396
92:443 93:922 94:779 95:1480 96:266 97:146
98:71 99:47 101:463 102:151 103:8154 104:366
105:179 106:287 107:108 108:142 109:459 110:231
111:2093 112:929 113:313 114:815 115:310 116:395
117:1387 118:416 119:281 120:1237 121:419 122:1752
123:455 124:330 125:1585 126:6 128:401 129:66
130:126 131:200 132:48 133:303 134:161 135:25
136:78 137:166 138:324 139:230 140:314 141:183
142:79 143:164 144:121 145:138 146:376 147:257
148:362 149:200 150:265 151:502 152:462 153:37
154:783 155:203 156:453 157:289 158:130 159:358
160:646 161:131 162:235 163:317 164:145 165:220
166:48 167:182 168:333 169:79 170:494 171:197
172:210 173:964 174:119 175:566 176:722 177:532
178:675 179:193 180:444 181:155 182:1575 183:1060
184:132 185:2284 186:208 187:472 188:610 189:303
190:477 191:92 192:1841 193:1118 194:918 195:764
196:286 197:411 198:702 199:493 200:741 201:519
202:2493 203:2211 204:279 205:230 206:289 207:323
208:236 209:263 210:1463 211:1146 212:762 213:525
214:2 216:393 217:535 218:805 219:65 220:569
221:360 222:135 223:1052
End of report
More information about the ren-bgp-stats-all
mailing list