[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri May 16 20:31:57 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Fri 16 May, 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: 156875
Prefixes after maximum aggregation (per Origin AS): 61799
Deaggregation factor: 2.54
Unique aggregates announced (without unneeded subnets): 87988
Number of IPv4 prefixes with a valid ROA: 86353
Number of IPv4 prefixes with an invalid ROA: 67
Number of IPv4 prefixes with no ROA: 70455
Total ASes present in the Internet Routing Table: 14389
Prefixes per ASN: 10.90
Origin-only ASes present in the Internet Routing Table: 12143
Origin ASes announcing only one prefix: 5878
Transit ASes present in the Internet Routing Table: 2246
Transit-only ASes present in the Internet Routing Table: 523
Paths with bogon ASNs present in the IPv4 Routing Table: 1
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: 72
Number of instances of unregistered ASNs: 72
Number of 32-bit ASNs allocated by the RIRs: 46423
Number of 32-bit ASNs visible in the Routing Table: 7120
Prefixes from 32-bit ASNs in the Routing Table: 28816
Number of bogon 32-bit ASNs visible in the Routing Table: 2
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 61
Number of addresses announced to Internet: 496505088
Equivalent to 29 /8s, 152 /16s and 17 /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: 38529
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77102
Total APNIC prefixes after maximum aggregation: 24362
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 75532
Unique aggregates announced from the APNIC address blocks: 35584
APNIC Region origin ASes present in the Internet Routing Table: 4849
APNIC Prefixes per ASN: 15.58
APNIC Region origin ASes announcing only one prefix: 1798
APNIC Region transit ASes present in the Internet Routing Table: 740
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: 3136
Number of APNIC addresses announced to Internet: 184206080
Equivalent to 10 /8s, 250 /16s and 195 /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: 26569
Total ARIN prefixes after maximum aggregation: 14356
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26090
Unique aggregates announced from the ARIN address blocks: 20133
ARIN Region origin ASes present in the Internet Routing Table: 2065
ARIN Prefixes per ASN: 12.63
ARIN Region origin ASes announcing only one prefix: 979
ARIN Region transit ASes present in the Internet Routing Table: 219
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: 465
Number of ARIN addresses announced to Internet: 163456000
Equivalent to 9 /8s, 190 /16s and 36 /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: 39323
Total RIPE prefixes after maximum aggregation: 18237
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 40231
Unique aggregates announced from the RIPE address blocks: 24975
RIPE Region origin ASes present in the Internet Routing Table: 4607
RIPE Prefixes per ASN: 8.73
RIPE Region origin ASes announcing only one prefix: 2132
RIPE Region transit ASes present in the Internet Routing Table: 662
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: 1606
Number of RIPE addresses announced to Internet: 124791296
Equivalent to 7 /8s, 112 /16s and 42 /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: 12277
Total LACNIC prefixes after maximum aggregation: 4413
LACNIC Deaggregation factor: 2.78
Prefixes being announced from the LACNIC address blocks: 11704
Unique aggregates announced from the LACNIC address blocks: 5709
LACNIC Region origin ASes present in the Internet Routing Table: 2220
LACNIC Prefixes per ASN: 5.27
LACNIC Region origin ASes announcing only one prefix: 928
LACNIC Region transit ASes present in the Internet Routing Table: 493
Average LACNIC Region AS path length visible: 7.3
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1858
Number of LACNIC addresses announced to Internet: 18166528
Equivalent to 1 /8s, 21 /16s and 51 /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: 1532
Total AfriNIC prefixes after maximum aggregation: 379
AfriNIC Deaggregation factor: 4.04
Prefixes being announced from the AfriNIC address blocks: 3257
Unique aggregates announced from the AfriNIC address blocks: 1558
AfriNIC Region origin ASes present in the Internet Routing Table: 104
AfriNIC Prefixes per ASN: 31.32
AfriNIC Region origin ASes announcing only one prefix: 41
AfriNIC Region transit ASes present in the Internet Routing Table: 33
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 55
Number of AfriNIC addresses announced to Internet: 5855488
Equivalent to 0 /8s, 89 /16s and 89 /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 10812 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4221 500 292 BBIL-AP BHARTI Airtel Ltd., IN
24560 2862 851 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2134 1078 453 VIETEL-AS-AP Viettel Group, VN
4766 1886 5889 944 KIXS-AS-KR Korea Telecom, KR
45609 1857 829 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1779 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1577 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1485 192 53 CMNET-HUNAN-AP China Mobile communication
9919 971 170 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 2415 335 669 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2236 3628 1280 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
11492 1927 134 1046 CABLEONE, US
714 1234 4391 8 APPLE-ENGINEERING, US
8075 756 16021 638 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 638 1880 300 TWC-10796-MIDWEST, US
12083 580 192 88 WOW-INTERNET, US
2152 396 44 265 CENIC-2152, US
33363 386 1422 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 2309 1999 781 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 917 639 329 SAUDINETSTC-AS, SA
49505 861 92 356 SELECTEL, RU
9123 633 40 282 TIMEWEB-AS, RU
50010 616 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 483 188 175 KAZTELECOM-AS, KZ
9155 427 37 9 QNET Kuwait, KW
21299 424 78 61 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 1917 679 254 UNINET, MX
7738 571 1703 62 V tal, BR
8167 342 1089 44 V tal, BR
1916 241 177 40 Rede Nacional de Ensino e Pesquisa, BR
28201 219 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 127 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 542 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
30999 74 25 32 EMTEL-AS-AP, MU
15399 71 6 26 WANANCHI-, KE
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 36 8 1 MAREN, MW
10798 29 2 23 SBICSA, ZA
6879 24 2 9 ENSTINET-, EG
328543 20 5 5 sun-asn, SC
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 10812 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4221 500 292 BBIL-AP BHARTI Airtel Ltd., IN
39891 4179 255 52 ALJAWWALSTC-AS, SA
24560 2862 851 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2415 335 669 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2309 1999 781 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2236 3628 1280 AMAZON-02, US
20115 2235 3096 513 CHARTER-20115, US
7552 2134 1078 453 VIETEL-AS-AP Viettel Group, VN
11492 1927 134 1046 CABLEONE, US
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 4221 3929 BBIL-AP BHARTI Airtel Ltd., IN
24560 2862 2316 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
30036 2415 1746 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 1722 CHARTER-20115, US
7552 2134 1681 VIETEL-AS-AP Viettel Group, VN
8151 1917 1663 UNINET, MX
56046 1779 1599 CMNET-JIANGSU-AP China Mobile communications co
45609 1857 1536 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2309 1528 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
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
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
103.12.68.0/24 Origin: 152194 CTGSERVERLIMITED-AS-AP CTG Server Limite
103.12.68.0/24 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
/13:80 /14:164 /15:394 /16:2383 /17:1325 /18:2783
/19:4382 /20:7537 /21:9376 /22:17128 /23:16246 /24:95001
/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 2099 2415 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1403 2309 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1326 1927 CABLEONE, US
8151 1059 1917 UNINET, MX
49505 597 861 SELECTEL, RU
20115 552 2235 CHARTER-20115, US
36914 518 542 KENET-AS, KE
9123 515 633 TIMEWEB-AS, RU
50010 514 616 NAWRAS-AS Sultanate of Oman, OM
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:157 2:325 3:104 5:1089 8:70 12:80
13:89 14:361 15:58 16:63 17:324 18:74
20:28 23:713 24:596 25:2 27:610 31:527
32:2 34:3 35:37 36:1812 37:645 38:511
39:703 40:1 41:242 42:114 43:667 44:23
45:2321 46:786 47:64 49:255 50:321 51:138
52:259 54:62 57:28 58:267 59:431 60:95
61:769 62:552 63:129 64:356 65:284 66:300
67:292 68:72 69:262 70:32 71:84 72:226
74:196 75:65 76:62 77:482 78:452 79:233
80:222 81:346 82:343 83:181 84:184 85:367
86:114 87:311 88:100 89:458 90:134 91:1392
92:450 93:929 94:795 95:1457 96:266 97:146
98:68 99:47 101:454 102:118 103:7898 104:363
105:9 106:290 107:108 108:146 109:469 110:228
111:2150 112:971 113:298 114:803 115:297 116:414
117:1314 118:322 119:242 120:1290 121:411 122:1715
123:385 124:327 125:1578 126:6 128:382 129:67
130:120 131:194 132:52 133:303 134:135 135:24
136:79 137:166 138:314 139:227 140:315 141:192
142:74 143:156 144:124 145:136 146:370 147:221
148:358 149:197 150:219 151:520 152:450 153:37
154:868 155:188 156:435 157:290 158:126 159:395
160:669 161:133 162:270 163:300 164:150 165:219
166:44 167:180 168:577 169:68 170:466 171:192
172:213 173:975 174:119 175:548 176:739 177:475
178:687 179:178 180:475 181:138 182:1615 183:1120
184:138 185:2216 186:224 187:482 188:589 189:304
190:465 191:96 192:1708 193:1132 194:905 195:768
196:304 197:364 198:713 199:498 200:776 201:521
202:2447 203:1969 204:270 205:259 206:300 207:319
208:239 209:309 210:1340 211:1123 212:744 213:504
214:2 216:345 217:554 218:791 219:63 220:516
221:388 222:123 223:1088
End of report
More information about the ren-bgp-stats-all
mailing list