[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 7 20:31:53 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 07 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: 158843
Prefixes after maximum aggregation (per Origin AS): 63146
Deaggregation factor: 2.52
Unique aggregates announced (without unneeded subnets): 90173
Number of IPv4 prefixes with a valid ROA: 87222
Number of IPv4 prefixes with an invalid ROA: 91
Number of IPv4 prefixes with no ROA: 71530
Total ASes present in the Internet Routing Table: 14590
Prefixes per ASN: 10.89
Origin-only ASes present in the Internet Routing Table: 12337
Origin ASes announcing only one prefix: 5967
Transit ASes present in the Internet Routing Table: 2253
Transit-only ASes present in the Internet Routing Table: 511
Paths with bogon ASNs present in the IPv4 Routing Table: 4
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 47
Max AS path prepend of ASN (212940) 40
Prefixes from unregistered ASNs in the Routing Table: 84
Number of instances of unregistered ASNs: 85
Number of 32-bit ASNs allocated by the RIRs: 46348
Number of 32-bit ASNs visible in the Routing Table: 7187
Prefixes from 32-bit ASNs in the Routing Table: 29331
Number of bogon 32-bit ASNs visible in the Routing Table: 8
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 66
Number of addresses announced to Internet: 506060288
Equivalent to 30 /8s, 41 /16s and 222 /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: 38821
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78402
Total APNIC prefixes after maximum aggregation: 25242
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 76670
Unique aggregates announced from the APNIC address blocks: 37060
APNIC Region origin ASes present in the Internet Routing Table: 4986
APNIC Prefixes per ASN: 15.38
APNIC Region origin ASes announcing only one prefix: 1854
APNIC Region transit ASes present in the Internet Routing Table: 736
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 47
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3206
Number of APNIC addresses announced to Internet: 189078784
Equivalent to 11 /8s, 69 /16s and 29 /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: 27077
Total ARIN prefixes after maximum aggregation: 14661
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26669
Unique aggregates announced from the ARIN address blocks: 20501
ARIN Region origin ASes present in the Internet Routing Table: 2126
ARIN Prefixes per ASN: 12.54
ARIN Region origin ASes announcing only one prefix: 1001
ARIN Region transit ASes present in the Internet Routing Table: 222
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: 167691776
Equivalent to 9 /8s, 254 /16s and 198 /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: 39437
Total RIPE prefixes after maximum aggregation: 18357
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 40318
Unique aggregates announced from the RIPE address blocks: 25114
RIPE Region origin ASes present in the Internet Routing Table: 4617
RIPE Prefixes per ASN: 8.73
RIPE Region origin ASes announcing only one prefix: 2139
RIPE Region transit ASes present in the Internet Routing Table: 667
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: 1607
Number of RIPE addresses announced to Internet: 124734208
Equivalent to 7 /8s, 111 /16s and 75 /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: 12059
Total LACNIC prefixes after maximum aggregation: 4392
LACNIC Deaggregation factor: 2.75
Prefixes being announced from the LACNIC address blocks: 11485
Unique aggregates announced from the LACNIC address blocks: 5685
LACNIC Region origin ASes present in the Internet Routing Table: 2196
LACNIC Prefixes per ASN: 5.23
LACNIC Region origin ASes announcing only one prefix: 924
LACNIC Region transit ASes present in the Internet Routing Table: 482
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: 1838
Number of LACNIC addresses announced to Internet: 18266624
Equivalent to 1 /8s, 22 /16s and 186 /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: 1784
Total AfriNIC prefixes after maximum aggregation: 432
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 3635
Unique aggregates announced from the AfriNIC address blocks: 1779
AfriNIC Region origin ASes present in the Internet Routing Table: 128
AfriNIC Prefixes per ASN: 28.40
AfriNIC Region origin ASes announcing only one prefix: 49
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 7.6
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: 6257152
Equivalent to 0 /8s, 95 /16s and 122 /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 10474 8754 87 CHINAMOBILE-CN China Mobile Communication
9498 4202 499 283 BBIL-AP BHARTI Airtel Ltd., IN
24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2244 1083 461 VIETEL-AS-AP Viettel Group, VN
4766 2032 6035 953 KIXS-AS-KR Korea Telecom, KR
45609 1849 826 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1688 812 180 CMNET-JIANGSU-AP China Mobile communicati
56041 1575 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1486 192 53 CMNET-HUNAN-AP China Mobile communication
9919 970 170 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 2404 333 687 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2237 3628 1280 AMAZON-02, US
20115 2237 3097 507 CHARTER-20115, US
11492 1921 133 1044 CABLEONE, US
714 1232 4391 8 APPLE-ENGINEERING, US
8075 751 16020 634 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 577 192 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 2305 1997 779 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 915 639 328 SAUDINETSTC-AS, SA
49505 859 92 356 SELECTEL, RU
9123 628 39 281 TIMEWEB-AS, RU
50010 616 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 481 180 178 KAZTELECOM-AS, KZ
9155 426 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 1692 633 238 UNINET, MX
7738 592 1767 64 V tal, BR
8167 342 1089 44 V tal, BR
1916 240 177 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 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
30999 74 25 32 EMTEL-AS-AP, MU
15399 67 6 24 WANANCHI-, KE
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327885 21 4 2 Viettel-Tanzania, TZ
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 10474 8754 87 CHINAMOBILE-CN China Mobile Communication
9498 4202 499 283 BBIL-AP BHARTI Airtel Ltd., IN
39891 4179 255 52 ALJAWWALSTC-AS, SA
24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2404 333 687 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2305 1997 779 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2244 1083 461 VIETEL-AS-AP Viettel Group, VN
16509 2237 3628 1280 AMAZON-02, US
20115 2237 3097 507 CHARTER-20115, US
4766 2032 6035 953 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 4202 3919 BBIL-AP BHARTI Airtel Ltd., IN
24560 2863 2330 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2244 1783 VIETEL-AS-AP Viettel Group, VN
20115 2237 1730 CHARTER-20115, US
30036 2404 1717 MEDIACOM-ENTERPRISE-BUSINESS, US
45609 1849 1528 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2305 1526 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
56046 1688 1508 CMNET-JIANGSU-AP China Mobile communications co
56041 1575 1501 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 /15:397 /16:2487 /17:1335 /18:2818
/19:4418 /20:7595 /21:9418 /22:17226 /23:16397 /24:96426
/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 2088 2404 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1401 2305 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1326 1921 CABLEONE, US
8151 953 1692 UNINET, MX
49505 595 859 SELECTEL, RU
20115 553 2237 CHARTER-20115, US
36914 529 553 KENET-AS, KE
50010 514 616 NAWRAS-AS Sultanate of Oman, OM
9123 510 628 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 2:321 3:103 5:1093 8:65 12:81
13:88 14:380 15:59 16:63 17:319 18:74
20:28 23:717 24:596 25:2 27:634 31:527
32:2 34:3 35:37 36:1590 37:640 38:517
39:700 40:1 41:249 42:144 43:671 44:19
45:2334 46:774 47:63 49:209 50:318 51:138
52:258 54:62 57:28 58:303 59:451 60:95
61:779 62:553 63:128 64:375 65:286 66:300
67:312 68:71 69:271 70:32 71:84 72:247
74:197 75:66 76:61 77:488 78:452 79:239
80:226 81:341 82:355 83:191 84:185 85:374
86:114 87:310 88:100 89:463 90:133 91:1376
92:452 93:935 94:782 95:1468 96:266 97:146
98:68 99:47 101:457 102:143 103:8014 104:364
105:179 106:288 107:107 108:142 109:456 110:233
111:2114 112:930 113:316 114:814 115:298 116:405
117:1391 118:413 119:253 120:1247 121:416 122:1752
123:521 124:329 125:1585 126:6 128:401 129:67
130:126 131:219 132:51 133:303 134:163 135:24
136:79 137:167 138:312 139:224 140:316 141:186
142:77 143:161 144:121 145:135 146:373 147:256
148:354 149:200 150:261 151:516 152:452 153:37
154:940 155:189 156:468 157:280 158:127 159:394
160:671 161:147 162:269 163:300 164:146 165:219
166:44 167:189 168:339 169:76 170:468 171:197
172:215 173:970 174:118 175:563 176:722 177:507
178:691 179:181 180:473 181:130 182:1602 183:1063
184:138 185:2238 186:213 187:457 188:594 189:269
190:470 191:93 192:1851 193:1132 194:916 195:766
196:286 197:382 198:761 199:559 200:783 201:504
202:2487 203:2252 204:286 205:268 206:306 207:320
208:242 209:311 210:1464 211:1147 212:757 213:515
214:2 216:371 217:558 218:804 219:66 220:568
221:388 222:134 223:1088
End of report
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