[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Apr 26 20:31:57 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Sat 26 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: 157829
Prefixes after maximum aggregation (per Origin AS): 62980
Deaggregation factor: 2.51
Unique aggregates announced (without unneeded subnets): 90076
Number of IPv4 prefixes with a valid ROA: 87328
Number of IPv4 prefixes with an invalid ROA: 54
Number of IPv4 prefixes with no ROA: 70447
Total ASes present in the Internet Routing Table: 14518
Prefixes per ASN: 10.87
Origin-only ASes present in the Internet Routing Table: 12259
Origin ASes announcing only one prefix: 5929
Transit ASes present in the Internet Routing Table: 2259
Transit-only ASes present in the Internet Routing Table: 516
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: 46285
Number of 32-bit ASNs visible in the Routing Table: 7218
Prefixes from 32-bit ASNs in the Routing Table: 29882
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: 64
Number of addresses announced to Internet: 497694720
Equivalent to 29 /8s, 170 /16s and 56 /24s
Percentage of available address space announced: 13.4
Percentage of allocated address space announced: 13.4
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: 39174
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77282
Total APNIC prefixes after maximum aggregation: 24802
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 75523
Unique aggregates announced from the APNIC address blocks: 36391
APNIC Region origin ASes present in the Internet Routing Table: 4878
APNIC Prefixes per ASN: 15.48
APNIC Region origin ASes announcing only one prefix: 1797
APNIC Region transit ASes present in the Internet Routing Table: 728
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3170
Number of APNIC addresses announced to Internet: 184756736
Equivalent to 11 /8s, 3 /16s and 42 /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: 26638
Total ARIN prefixes after maximum aggregation: 14408
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26479
Unique aggregates announced from the ARIN address blocks: 20411
ARIN Region origin ASes present in the Internet Routing Table: 2085
ARIN Prefixes per ASN: 12.70
ARIN Region origin ASes announcing only one prefix: 984
ARIN Region transit ASes present in the Internet Routing Table: 229
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: 469
Number of ARIN addresses announced to Internet: 164047360
Equivalent to 9 /8s, 199 /16s and 42 /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: 39916
Total RIPE prefixes after maximum aggregation: 18849
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 40769
Unique aggregates announced from the RIPE address blocks: 25622
RIPE Region origin ASes present in the Internet Routing Table: 4663
RIPE Prefixes per ASN: 8.74
RIPE Region origin ASes announcing only one prefix: 2156
RIPE Region transit ASes present in the Internet Routing Table: 680
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: 1643
Number of RIPE addresses announced to Internet: 124963328
Equivalent to 7 /8s, 114 /16s and 202 /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: 12090
Total LACNIC prefixes after maximum aggregation: 4400
LACNIC Deaggregation factor: 2.75
Prefixes being announced from the LACNIC address blocks: 11507
Unique aggregates announced from the LACNIC address blocks: 5665
LACNIC Region origin ASes present in the Internet Routing Table: 2224
LACNIC Prefixes per ASN: 5.17
LACNIC Region origin ASes announcing only one prefix: 941
LACNIC Region transit ASes present in the Internet Routing Table: 482
Average LACNIC Region AS path length visible: 7.2
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1865
Number of LACNIC addresses announced to Internet: 18201344
Equivalent to 1 /8s, 21 /16s and 187 /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: 1817
Total AfriNIC prefixes after maximum aggregation: 459
AfriNIC Deaggregation factor: 3.96
Prefixes being announced from the AfriNIC address blocks: 3487
Unique aggregates announced from the AfriNIC address blocks: 1954
AfriNIC Region origin ASes present in the Internet Routing Table: 127
AfriNIC Prefixes per ASN: 27.46
AfriNIC Region origin ASes announcing only one prefix: 51
AfriNIC Region transit ASes present in the Internet Routing Table: 40
Average AfriNIC Region AS path length visible: 7.0
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 71
Number of AfriNIC addresses announced to Internet: 5694464
Equivalent to 0 /8s, 86 /16s and 228 /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 4175 498 268 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 851 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
4766 2038 6037 957 KIXS-AS-KR Korea Telecom, KR
45609 1849 827 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1630 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 968 170 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 2410 335 669 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2231 3627 1275 AMAZON-02, US
11492 1892 131 1031 CABLEONE, US
714 1225 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 386 1424 214 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 2305 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 915 639 324 SAUDINETSTC-AS, SA
49505 859 92 356 SELECTEL, RU
50010 617 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 616 39 275 TIMEWEB-AS, RU
9198 479 179 177 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 1860 677 243 UNINET, MX
7738 595 1775 65 V tal, BR
8167 342 1089 44 V tal, BR
1916 234 177 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 120 8 35 CPS, AR
11340 108 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 549 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 28 4 2 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 4175 498 268 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 851 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2410 335 669 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2305 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
20115 2235 3097 506 CHARTER-20115, US
16509 2231 3627 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 4175 3907 BBIL-AP BHARTI Airtel Ltd., IN
24560 2858 2320 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2256 1802 VIETEL-AS-AP Viettel Group, VN
30036 2410 1741 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 1729 CHARTER-20115, US
8151 1860 1617 UNINET, MX
45609 1849 1528 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2305 1525 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
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
40186 UNALLOCATED 64.135.35.0/24 13335 CLOUDFLARENET, US
396324 UNALLOCATED 66.57.112.0/24 11426 TWC-11426-CAROLINAS, 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 /14:165 /15:395 /16:2385 /17:1317 /18:2787
/19:4364 /20:7600 /21:9387 /22:17246 /23:16242 /24:95783
/25:0 /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 2094 2410 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1400 2305 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1314 1892 CABLEONE, US
8151 1025 1860 UNINET, MX
49505 595 859 SELECTEL, RU
20115 551 2235 CHARTER-20115, US
36914 525 549 KENET-AS, KE
50010 515 617 NAWRAS-AS Sultanate of Oman, OM
9123 499 616 TIMEWEB-AS, RU
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:197 2:327 3:102 5:1096 8:63 12:80
13:86 14:381 15:58 16:63 17:316 18:72
20:28 23:730 24:593 25:2 27:615 31:521
32:2 34:3 35:37 36:1353 37:646 38:514
39:700 40:1 41:251 42:143 43:670 44:22
45:2404 46:780 47:63 49:207 50:319 51:138
52:257 54:62 57:28 58:305 59:452 60:95
61:816 62:558 63:128 64:377 65:287 66:310
67:304 68:70 69:270 70:34 71:82 72:245
74:210 75:68 76:62 77:492 78:452 79:243
80:226 81:355 82:379 83:186 84:194 85:383
86:144 87:306 88:106 89:481 90:133 91:1398
92:456 93:925 94:777 95:1483 96:265 97:146
98:71 99:47 101:463 102:149 103:8059 104:376
105:179 106:287 107:108 108:142 109:459 110:232
111:2101 112:929 113:314 114:806 115:310 116:405
117:1327 118:415 119:283 120:1238 121:419 122:1754
123:447 124:328 125:1582 126:6 128:401 129:66
130:124 131:178 132:48 133:303 134:133 135:25
136:78 137:166 138:320 139:233 140:314 141:191
142:77 143:165 144:107 145:138 146:372 147:253
148:363 149:205 150:258 151:515 152:461 153:37
154:791 155:200 156:448 157:290 158:128 159:394
160:678 161:151 162:276 163:321 164:143 165:219
166:43 167:186 168:337 169:78 170:489 171:198
172:217 173:977 174:118 175:566 176:724 177:510
178:668 179:186 180:455 181:137 182:1585 183:1056
184:137 185:2307 186:214 187:462 188:595 189:295
190:454 191:97 192:1726 193:1131 194:933 195:769
196:324 197:409 198:720 199:501 200:740 201:519
202:2440 203:2044 204:270 205:266 206:303 207:324
208:237 209:307 210:1375 211:1146 212:765 213:528
214:2 216:397 217:564 218:805 219:65 220:560
221:360 222:134 223:1089
End of report
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