[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 18 20:31:57 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Fri 18 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: 159575
Prefixes after maximum aggregation (per Origin AS): 63994
Deaggregation factor: 2.49
Unique aggregates announced (without unneeded subnets): 91325
Number of IPv4 prefixes with a valid ROA: 87968
Number of IPv4 prefixes with an invalid ROA: 59
Number of IPv4 prefixes with no ROA: 71548
Total ASes present in the Internet Routing Table: 14748
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 12500
Origin ASes announcing only one prefix: 6010
Transit ASes present in the Internet Routing Table: 2248
Transit-only ASes present in the Internet Routing Table: 471
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: 77
Number of instances of unregistered ASNs: 77
Number of 32-bit ASNs allocated by the RIRs: 46240
Number of 32-bit ASNs visible in the Routing Table: 7360
Prefixes from 32-bit ASNs in the Routing Table: 30252
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: 50
Number of addresses announced to Internet: 507125248
Equivalent to 30 /8s, 58 /16s and 30 /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: 39226
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78509
Total APNIC prefixes after maximum aggregation: 25545
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 76769
Unique aggregates announced from the APNIC address blocks: 37436
APNIC Region origin ASes present in the Internet Routing Table: 5042
APNIC Prefixes per ASN: 15.23
APNIC Region origin ASes announcing only one prefix: 1873
APNIC Region transit ASes present in the Internet Routing Table: 738
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: 3238
Number of APNIC addresses announced to Internet: 190096384
Equivalent to 11 /8s, 84 /16s and 164 /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: 26704
Total ARIN prefixes after maximum aggregation: 14522
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26537
Unique aggregates announced from the ARIN address blocks: 20444
ARIN Region origin ASes present in the Internet Routing Table: 2080
ARIN Prefixes per ASN: 12.76
ARIN Region origin ASes announcing only one prefix: 970
ARIN Region transit ASes present in the Internet Routing Table: 192
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: 452
Number of ARIN addresses announced to Internet: 167719424
Equivalent to 9 /8s, 255 /16s and 50 /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: 39730
Total RIPE prefixes after maximum aggregation: 18775
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 40602
Unique aggregates announced from the RIPE address blocks: 25455
RIPE Region origin ASes present in the Internet Routing Table: 4673
RIPE Prefixes per ASN: 8.69
RIPE Region origin ASes announcing only one prefix: 2157
RIPE Region transit ASes present in the Internet Routing Table: 689
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: 125055744
Equivalent to 7 /8s, 116 /16s and 51 /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: 12697
Total LACNIC prefixes after maximum aggregation: 4597
LACNIC Deaggregation factor: 2.76
Prefixes being announced from the LACNIC address blocks: 12098
Unique aggregates announced from the LACNIC address blocks: 5919
LACNIC Region origin ASes present in the Internet Routing Table: 2329
LACNIC Prefixes per ASN: 5.19
LACNIC Region origin ASes announcing only one prefix: 961
LACNIC Region transit ASes present in the Internet Routing Table: 497
Average LACNIC Region AS path length visible: 7.5
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1959
Number of LACNIC addresses announced to Internet: 18538752
Equivalent to 1 /8s, 26 /16s and 225 /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: 1858
Total AfriNIC prefixes after maximum aggregation: 501
AfriNIC Deaggregation factor: 3.71
Prefixes being announced from the AfriNIC address blocks: 3519
Unique aggregates announced from the AfriNIC address blocks: 2039
AfriNIC Region origin ASes present in the Internet Routing Table: 131
AfriNIC Prefixes per ASN: 26.86
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 41
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: 73
Number of AfriNIC addresses announced to Internet: 5683712
Equivalent to 0 /8s, 86 /16s and 186 /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 10170 8753 88 CHINAMOBILE-CN China Mobile Communication
9498 4159 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2849 849 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2255 1085 454 VIETEL-AS-AP Viettel Group, VN
4766 2034 6037 954 KIXS-AS-KR Korea Telecom, KR
45609 1840 824 324 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 1483 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 2401 333 675 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2212 3610 1268 AMAZON-02, US
11492 1889 131 1031 CABLEONE, US
714 1222 4391 8 APPLE-ENGINEERING, US
8075 748 16019 632 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 574 192 88 WOW-INTERNET, US
2152 408 46 259 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 917 639 326 SAUDINETSTC-AS, SA
49505 858 92 356 SELECTEL, RU
50010 665 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 610 38 271 TIMEWEB-AS, RU
9198 471 176 189 KAZTELECOM-AS, KZ
9155 426 37 9 QNET Kuwait, KW
42772 373 63 104 A1-BY-AS, BY
50340 346 34 227 SELECTEL-MSK, RU
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 1868 679 244 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 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 530 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 198 83 30 VNL1-AS, NG
15399 129 12 61 WANANCHI-, KE
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
29614 24 4 22 GHANATEL-AS, GH
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 10170 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 2849 849 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2401 333 675 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 2212 3610 1268 AMAZON-02, US
4766 2034 6037 954 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 2849 2307 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2255 1801 VIETEL-AS-AP Viettel Group, VN
20115 2235 1729 CHARTER-20115, US
30036 2401 1726 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 1868 1624 UNINET, MX
12389 2304 1525 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1840 1516 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
36288 UNALLOCATED 64.79.154.0/24 293 ESNET, US
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 /12:48
/13:82 /14:167 /15:397 /16:2483 /17:1329 /18:2820
/19:4423 /20:7622 /21:9442 /22:17384 /23:16509 /24:96839
/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 2085 2401 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1400 2304 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1314 1889 CABLEONE, US
8151 1031 1868 UNINET, MX
49505 594 858 SELECTEL, RU
50010 552 665 NAWRAS-AS Sultanate of Oman, OM
20115 551 2235 CHARTER-20115, US
36914 506 530 KENET-AS, KE
9123 493 610 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 2:326 3:102 5:1079 8:56 12:74
13:87 14:390 15:58 16:63 17:316 18:72
20:28 23:721 24:595 25:2 27:625 31:520
32:2 34:3 35:37 36:1346 37:632 38:519
39:698 40:1 41:256 42:147 43:666 44:22
45:2523 46:764 47:63 49:207 50:319 51:138
52:255 54:41 57:28 58:304 59:453 60:95
61:813 62:562 63:127 64:380 65:285 66:298
67:298 68:69 69:267 70:33 71:82 72:242
74:200 75:68 76:62 77:477 78:452 79:246
80:218 81:350 82:392 83:183 84:194 85:374
86:143 87:305 88:103 89:481 90:133 91:1391
92:438 93:917 94:783 95:1466 96:266 97:147
98:72 99:47 101:463 102:172 103:8423 104:367
105:180 106:283 107:114 108:142 109:455 110:230
111:2102 112:926 113:312 114:811 115:307 116:406
117:1390 118:414 119:282 120:1232 121:419 122:1756
123:462 124:358 125:1585 126:6 128:403 129:64
130:127 131:202 132:51 133:304 134:159 135:24
136:78 137:164 138:333 139:229 140:317 141:192
142:79 143:169 144:117 145:133 146:373 147:255
148:357 149:234 150:266 151:498 152:465 153:37
154:797 155:198 156:453 157:288 158:132 159:394
160:664 161:148 162:266 163:313 164:144 165:222
166:49 167:185 168:351 169:79 170:487 171:198
172:216 173:971 174:118 175:566 176:726 177:559
178:666 179:209 180:456 181:165 182:1552 183:1063
184:138 185:2296 186:211 187:476 188:582 189:294
190:484 191:99 192:1817 193:1136 194:922 195:760
196:286 197:399 198:735 199:540 200:765 201:543
202:2509 203:2240 204:285 205:275 206:299 207:311
208:235 209:298 210:1471 211:1144 212:761 213:527
214:2 216:382 217:558 218:804 219:65 220:573
221:360 222:135 223:1064
End of report
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