[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 5 20:31:53 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Mon 05 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: 158841
Prefixes after maximum aggregation (per Origin AS): 63225
Deaggregation factor: 2.51
Unique aggregates announced (without unneeded subnets): 90123
Number of IPv4 prefixes with a valid ROA: 87539
Number of IPv4 prefixes with an invalid ROA: 85
Number of IPv4 prefixes with no ROA: 71217
Total ASes present in the Internet Routing Table: 14595
Prefixes per ASN: 10.88
Origin-only ASes present in the Internet Routing Table: 12362
Origin ASes announcing only one prefix: 5954
Transit ASes present in the Internet Routing Table: 2233
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: 88
Number of instances of unregistered ASNs: 89
Number of 32-bit ASNs allocated by the RIRs: 46335
Number of 32-bit ASNs visible in the Routing Table: 7209
Prefixes from 32-bit ASNs in the Routing Table: 29337
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: 67
Number of addresses announced to Internet: 506151680
Equivalent to 30 /8s, 43 /16s and 67 /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: 38976
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78338
Total APNIC prefixes after maximum aggregation: 25303
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 76617
Unique aggregates announced from the APNIC address blocks: 37078
APNIC Region origin ASes present in the Internet Routing Table: 5010
APNIC Prefixes per ASN: 15.29
APNIC Region origin ASes announcing only one prefix: 1855
APNIC Region transit ASes present in the Internet Routing Table: 730
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 47
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3233
Number of APNIC addresses announced to Internet: 189069568
Equivalent to 11 /8s, 68 /16s and 249 /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: 27095
Total ARIN prefixes after maximum aggregation: 14684
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26712
Unique aggregates announced from the ARIN address blocks: 20546
ARIN Region origin ASes present in the Internet Routing Table: 2128
ARIN Prefixes per ASN: 12.55
ARIN Region origin ASes announcing only one prefix: 1002
ARIN Region transit ASes present in the Internet Routing Table: 218
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 44
Number of ARIN region 32-bit ASNs visible in the Routing Table: 463
Number of ARIN addresses announced to Internet: 167762944
Equivalent to 9 /8s, 255 /16s and 220 /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: 39565
Total RIPE prefixes after maximum aggregation: 18395
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 40415
Unique aggregates announced from the RIPE address blocks: 25131
RIPE Region origin ASes present in the Internet Routing Table: 4603
RIPE Prefixes per ASN: 8.78
RIPE Region origin ASes announcing only one prefix: 2122
RIPE Region transit ASes present in the Internet Routing Table: 660
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: 1603
Number of RIPE addresses announced to Internet: 124850176
Equivalent to 7 /8s, 113 /16s and 16 /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: 11951
Total LACNIC prefixes after maximum aggregation: 4317
LACNIC Deaggregation factor: 2.77
Prefixes being announced from the LACNIC address blocks: 11385
Unique aggregates announced from the LACNIC address blocks: 5510
LACNIC Region origin ASes present in the Internet Routing Table: 2191
LACNIC Prefixes per ASN: 5.20
LACNIC Region origin ASes announcing only one prefix: 927
LACNIC Region transit ASes present in the Internet Routing Table: 476
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: 1839
Number of LACNIC addresses announced to Internet: 18184704
Equivalent to 1 /8s, 21 /16s and 122 /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: 1804
Total AfriNIC prefixes after maximum aggregation: 463
AfriNIC Deaggregation factor: 3.90
Prefixes being announced from the AfriNIC address blocks: 3645
Unique aggregates announced from the AfriNIC address blocks: 1823
AfriNIC Region origin ASes present in the Internet Routing Table: 126
AfriNIC Prefixes per ASN: 28.93
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 35
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: 6252288
Equivalent to 0 /8s, 95 /16s and 103 /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 10276 8754 92 CHINAMOBILE-CN China Mobile Communication
9498 4178 498 269 BBIL-AP BHARTI Airtel Ltd., IN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
4766 2031 6035 952 KIXS-AS-KR Korea Telecom, KR
45609 1853 828 322 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 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 2406 334 688 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2237 3097 507 CHARTER-20115, US
16509 2229 3628 1269 AMAZON-02, US
11492 1911 133 1042 CABLEONE, US
714 1228 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 387 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 2304 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 916 639 329 SAUDINETSTC-AS, SA
49505 859 92 356 SELECTEL, RU
9123 623 39 279 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 1852 675 245 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
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
262287 98 13 74 Latitude.sh LTDA, 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 535 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
6879 24 2 9 ENSTINET-, EG
37531 22 2 18 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 10276 8754 92 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4178 498 269 BBIL-AP BHARTI Airtel Ltd., IN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2406 334 688 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2304 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
7552 2256 1085 454 VIETEL-AS-AP Viettel Group, VN
20115 2237 3097 507 CHARTER-20115, US
16509 2229 3628 1269 AMAZON-02, US
4766 2031 6035 952 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 4178 3909 BBIL-AP BHARTI Airtel Ltd., IN
24560 2859 2324 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2256 1802 VIETEL-AS-AP Viettel Group, VN
20115 2237 1730 CHARTER-20115, US
30036 2406 1718 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 1852 1607 UNINET, MX
45609 1853 1531 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2304 1524 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
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 /16:2488 /17:1334 /18:2809
/19:4428 /20:7586 /21:9450 /22:17302 /23:16438 /24:96283
/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 2090 2406 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1401 2304 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1324 1911 CABLEONE, US
8151 1022 1852 UNINET, MX
49505 595 859 SELECTEL, RU
20115 553 2237 CHARTER-20115, US
50010 514 616 NAWRAS-AS Sultanate of Oman, OM
36914 511 535 KENET-AS, KE
9123 505 623 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 2:321 3:103 5:1088 8:63 12:81
13:86 14:379 15:58 16:63 17:316 18:73
20:28 23:715 24:592 25:2 27:619 31:527
32:2 34:3 35:37 36:1427 37:642 38:516
39:701 40:1 41:244 42:144 43:675 44:19
45:2329 46:786 47:64 49:208 50:319 51:138
52:258 54:62 57:28 58:301 59:450 60:95
61:776 62:556 63:127 64:373 65:286 66:302
67:311 68:71 69:268 70:32 71:83 72:247
74:197 75:66 76:62 77:487 78:453 79:238
80:226 81:343 82:355 83:194 84:185 85:373
86:126 87:311 88:100 89:463 90:133 91:1387
92:452 93:934 94:786 95:1468 96:266 97:146
98:68 99:47 101:463 102:137 103:8101 104:369
105:179 106:287 107:107 108:142 109:459 110:232
111:2099 112:926 113:315 114:815 115:308 116:411
117:1383 118:427 119:259 120:1241 121:417 122:1755
123:455 124:327 125:1585 126:6 128:400 129:67
130:130 131:197 132:54 133:303 134:163 135:25
136:78 137:168 138:312 139:223 140:317 141:186
142:77 143:168 144:121 145:135 146:373 147:256
148:196 149:199 150:261 151:517 152:450 153:37
154:942 155:189 156:465 157:279 158:127 159:395
160:669 161:148 162:270 163:301 164:145 165:222
166:44 167:191 168:335 169:75 170:465 171:197
172:220 173:970 174:119 175:567 176:723 177:492
178:690 179:187 180:461 181:135 182:1612 183:1063
184:137 185:2254 186:214 187:468 188:594 189:300
190:466 191:93 192:1856 193:1127 194:919 195:766
196:287 197:399 198:762 199:557 200:790 201:514
202:2539 203:2296 204:285 205:269 206:306 207:319
208:242 209:312 210:1468 211:1147 212:759 213:512
214:2 216:369 217:566 218:800 219:66 220:568
221:359 222:135 223:1087
End of report
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