[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Apr 11 20:31:59 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Fri 11 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: 158795
Prefixes after maximum aggregation (per Origin AS): 63588
Deaggregation factor: 2.50
Unique aggregates announced (without unneeded subnets): 90718
Number of IPv4 prefixes with a valid ROA: 87660
Number of IPv4 prefixes with an invalid ROA: 60
Number of IPv4 prefixes with no ROA: 71075
Total ASes present in the Internet Routing Table: 14785
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 12494
Origin ASes announcing only one prefix: 6013
Transit ASes present in the Internet Routing Table: 2291
Transit-only ASes present in the Internet Routing Table: 512
Paths with bogon ASNs present in the IPv4 Routing Table: 8
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 45
Max AS path prepend of ASN ( 37447) 41
Prefixes from unregistered ASNs in the Routing Table: 81
Number of instances of unregistered ASNs: 86
Number of 32-bit ASNs allocated by the RIRs: 46168
Number of 32-bit ASNs visible in the Routing Table: 7408
Prefixes from 32-bit ASNs in the Routing Table: 30324
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 53
Number of addresses announced to Internet: 503190784
Equivalent to 29 /8s, 254 /16s and 21 /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: 39368
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77792
Total APNIC prefixes after maximum aggregation: 25297
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 75963
Unique aggregates announced from the APNIC address blocks: 36780
APNIC Region origin ASes present in the Internet Routing Table: 5030
APNIC Prefixes per ASN: 15.10
APNIC Region origin ASes announcing only one prefix: 1874
APNIC Region transit ASes present in the Internet Routing Table: 740
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 41
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3276
Number of APNIC addresses announced to Internet: 189865984
Equivalent to 11 /8s, 81 /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: 26666
Total ARIN prefixes after maximum aggregation: 14364
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 26357
Unique aggregates announced from the ARIN address blocks: 20266
ARIN Region origin ASes present in the Internet Routing Table: 2070
ARIN Prefixes per ASN: 12.73
ARIN Region origin ASes announcing only one prefix: 974
ARIN Region transit ASes present in the Internet Routing Table: 228
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: 465
Number of ARIN addresses announced to Internet: 164203008
Equivalent to 9 /8s, 201 /16s and 138 /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: 39982
Total RIPE prefixes after maximum aggregation: 18960
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 40829
Unique aggregates announced from the RIPE address blocks: 25811
RIPE Region origin ASes present in the Internet Routing Table: 4735
RIPE Prefixes per ASN: 8.62
RIPE Region origin ASes announcing only one prefix: 2181
RIPE Region transit ASes present in the Internet Routing Table: 700
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: 1660
Number of RIPE addresses announced to Internet: 124976128
Equivalent to 7 /8s, 114 /16s and 252 /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: 12547
Total LACNIC prefixes after maximum aggregation: 4477
LACNIC Deaggregation factor: 2.80
Prefixes being announced from the LACNIC address blocks: 11959
Unique aggregates announced from the LACNIC address blocks: 5847
LACNIC Region origin ASes present in the Internet Routing Table: 2283
LACNIC Prefixes per ASN: 5.24
LACNIC Region origin ASes announcing only one prefix: 930
LACNIC Region transit ASes present in the Internet Routing Table: 486
Average LACNIC Region AS path length visible: 7.3
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1932
Number of LACNIC addresses announced to Internet: 18373888
Equivalent to 1 /8s, 24 /16s and 93 /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: 1727
Total AfriNIC prefixes after maximum aggregation: 432
AfriNIC Deaggregation factor: 4.00
Prefixes being announced from the AfriNIC address blocks: 3634
Unique aggregates announced from the AfriNIC address blocks: 1979
AfriNIC Region origin ASes present in the Internet Routing Table: 133
AfriNIC Prefixes per ASN: 27.32
AfriNIC Region origin ASes announcing only one prefix: 54
AfriNIC Region transit ASes present in the Internet Routing Table: 41
Average AfriNIC Region AS path length visible: 7.1
Max AfriNIC Region AS path length visible: 45
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 75
Number of AfriNIC addresses announced to Internet: 5739776
Equivalent to 0 /8s, 87 /16s and 149 /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 10129 8753 88 CHINAMOBILE-CN China Mobile Communication
9498 4159 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2852 849 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2254 1084 454 VIETEL-AS-AP Viettel Group, VN
4766 2024 6035 948 KIXS-AS-KR Korea Telecom, KR
45609 1837 824 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1593 812 181 CMNET-JIANGSU-AP China Mobile communicati
56041 1547 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
9919 967 170 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 2397 333 678 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2228 3095 507 CHARTER-20115, US
16509 2206 3546 1267 AMAZON-02, US
11492 1888 131 1030 CABLEONE, US
714 1215 4391 8 APPLE-ENGINEERING, US
8075 740 16019 625 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 640 1944 302 TWC-10796-MIDWEST, US
12083 576 192 88 WOW-INTERNET, US
2152 387 40 263 CENIC-2152, US
33363 385 1416 212 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 781 ROSTELECOM-AS, RU
25019 920 639 324 SAUDINETSTC-AS, SA
49505 857 92 355 SELECTEL, RU
50010 665 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 608 38 271 TIMEWEB-AS, RU
9155 426 37 9 QNET Kuwait, KW
42772 373 63 104 A1-BY-AS, BY
50340 347 34 227 SELECTEL-MSK, RU
209242 342 31 307 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 1878 683 243 UNINET, MX
7738 605 1807 67 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 109 9 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 547 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 200 83 32 VNL1-AS, NG
30999 74 25 30 EMTEL-AS-AP, MU
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
15399 21 2 14 WANANCHI-, KE
37531 20 2 16 AIRTEL-NIGER, NE
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 10129 8753 88 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4159 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2852 849 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2397 333 678 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2304 1997 781 ROSTELECOM-AS, RU
7552 2254 1084 454 VIETEL-AS-AP Viettel Group, VN
20115 2228 3095 507 CHARTER-20115, US
16509 2206 3546 1267 AMAZON-02, US
4766 2024 6035 948 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 4159 3894 BBIL-AP BHARTI Airtel Ltd., IN
24560 2852 2315 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2254 1800 VIETEL-AS-AP Viettel Group, VN
20115 2228 1721 CHARTER-20115, US
30036 2397 1719 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 1878 1635 UNINET, MX
12389 2304 1523 ROSTELECOM-AS, RU
45609 1837 1516 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56041 1547 1473 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
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
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 /12:48
/13:82 /14:164 /15:394 /16:2442 /17:1330 /18:2812
/19:4429 /20:7587 /21:9398 /22:17202 /23:16362 /24:96515
/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 2081 2397 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1400 2304 ROSTELECOM-AS, RU
11492 1314 1888 CABLEONE, US
8151 1034 1878 UNINET, MX
49505 593 857 SELECTEL, RU
50010 552 665 NAWRAS-AS Sultanate of Oman, OM
20115 545 2228 CHARTER-20115, US
36914 523 547 KENET-AS, KE
9123 491 608 TIMEWEB-AS, RU
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:203 2:329 3:102 5:1089 8:61 12:82
13:87 14:389 15:59 16:63 17:314 18:72
20:28 23:729 24:594 25:2 27:613 31:550
32:2 34:3 35:37 36:1350 37:638 38:522
39:690 40:1 41:250 42:146 43:671 44:21
45:2514 46:793 47:63 49:206 50:320 51:138
52:257 54:41 57:27 58:302 59:453 60:95
61:815 62:565 63:128 64:380 65:287 66:300
67:302 68:69 69:267 70:34 71:83 72:246
74:202 75:68 76:62 77:498 78:458 79:237
80:235 81:353 82:388 83:184 84:189 85:364
86:141 87:302 88:110 89:497 90:131 91:1405
92:441 93:941 94:789 95:1475 96:264 97:146
98:72 99:47 101:471 102:148 103:8204 104:370
105:180 106:293 107:114 108:142 109:438 110:229
111:2097 112:923 113:318 114:803 115:310 116:419
117:1332 118:403 119:286 120:1227 121:418 122:1755
123:452 124:331 125:1582 126:6 128:404 129:62
130:127 131:188 132:50 133:304 134:132 135:23
136:79 137:162 138:323 139:230 140:313 141:194
142:77 143:172 144:116 145:135 146:376 147:250
148:355 149:231 150:258 151:495 152:462 153:37
154:956 155:196 156:481 157:285 158:126 159:394
160:658 161:150 162:272 163:311 164:147 165:223
166:52 167:183 168:344 169:78 170:504 171:198
172:218 173:968 174:118 175:564 176:723 177:562
178:687 179:212 180:504 181:166 182:1558 183:1065
184:138 185:2327 186:191 187:468 188:622 189:305
190:485 191:94 192:1716 193:1136 194:931 195:780
196:249 197:392 198:704 199:500 200:756 201:541
202:2463 203:2122 204:268 205:269 206:302 207:325
208:239 209:321 210:1379 211:1142 212:814 213:528
214:2 216:384 217:554 218:801 219:68 220:566
221:355 222:134 223:1054
End of report
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