[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 1 20:32:01 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Thu 01 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: 158889
Prefixes after maximum aggregation (per Origin AS): 63173
Deaggregation factor: 2.52
Unique aggregates announced (without unneeded subnets): 90153
Number of IPv4 prefixes with a valid ROA: 87467
Number of IPv4 prefixes with an invalid ROA: 97
Number of IPv4 prefixes with no ROA: 71325
Total ASes present in the Internet Routing Table: 14650
Prefixes per ASN: 10.85
Origin-only ASes present in the Internet Routing Table: 12407
Origin ASes announcing only one prefix: 5992
Transit ASes present in the Internet Routing Table: 2243
Transit-only ASes present in the Internet Routing Table: 507
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: 83
Number of instances of unregistered ASNs: 83
Number of 32-bit ASNs allocated by the RIRs: 46308
Number of 32-bit ASNs visible in the Routing Table: 7258
Prefixes from 32-bit ASNs in the Routing Table: 29490
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: 67
Number of addresses announced to Internet: 506352384
Equivalent to 30 /8s, 46 /16s and 83 /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: 39032
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78295
Total APNIC prefixes after maximum aggregation: 25377
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 76557
Unique aggregates announced from the APNIC address blocks: 37158
APNIC Region origin ASes present in the Internet Routing Table: 5027
APNIC Prefixes per ASN: 15.23
APNIC Region origin ASes announcing only one prefix: 1861
APNIC Region transit ASes present in the Internet Routing Table: 725
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: 3244
Number of APNIC addresses announced to Internet: 189133312
Equivalent to 11 /8s, 69 /16s and 242 /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: 27021
Total ARIN prefixes after maximum aggregation: 14580
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26620
Unique aggregates announced from the ARIN address blocks: 20469
ARIN Region origin ASes present in the Internet Routing Table: 2121
ARIN Prefixes per ASN: 12.55
ARIN Region origin ASes announcing only one prefix: 1003
ARIN Region transit ASes present in the Internet Routing Table: 219
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: 463
Number of ARIN addresses announced to Internet: 167705344
Equivalent to 9 /8s, 254 /16s and 251 /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: 39506
Total RIPE prefixes after maximum aggregation: 18320
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 40396
Unique aggregates announced from the RIPE address blocks: 25072
RIPE Region origin ASes present in the Internet Routing Table: 4611
RIPE Prefixes per ASN: 8.76
RIPE Region origin ASes announcing only one prefix: 2128
RIPE Region transit ASes present in the Internet Routing Table: 668
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: 125035264
Equivalent to 7 /8s, 115 /16s and 227 /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: 12164
Total LACNIC prefixes after maximum aggregation: 4375
LACNIC Deaggregation factor: 2.78
Prefixes being announced from the LACNIC address blocks: 11597
Unique aggregates announced from the LACNIC address blocks: 5593
LACNIC Region origin ASes present in the Internet Routing Table: 2232
LACNIC Prefixes per ASN: 5.20
LACNIC Region origin ASes announcing only one prefix: 947
LACNIC Region transit ASes present in the Internet Routing Table: 490
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1874
Number of LACNIC addresses announced to Internet: 18259712
Equivalent to 1 /8s, 22 /16s and 159 /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: 1820
Total AfriNIC prefixes after maximum aggregation: 461
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 3652
Unique aggregates announced from the AfriNIC address blocks: 1826
AfriNIC Region origin ASes present in the Internet Routing Table: 129
AfriNIC Prefixes per ASN: 28.31
AfriNIC Region origin ASes announcing only one prefix: 53
AfriNIC Region transit ASes present in the Internet Routing Table: 36
Average AfriNIC Region AS path length visible: 7.7
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 70
Number of AfriNIC addresses announced to Internet: 6187520
Equivalent to 0 /8s, 94 /16s and 106 /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 4176 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 2032 6035 956 KIXS-AS-KR Korea Telecom, KR
45609 1852 828 323 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 2413 336 670 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3097 506 CHARTER-20115, US
16509 2229 3628 1269 AMAZON-02, US
11492 1902 132 1040 CABLEONE, US
714 1228 4391 8 APPLE-ENGINEERING, US
8075 750 16020 633 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 2306 1997 780 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 913 639 327 SAUDINETSTC-AS, SA
49505 859 92 356 SELECTEL, RU
9123 621 39 277 TIMEWEB-AS, RU
50010 616 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 480 180 178 KAZTELECOM-AS, KZ
9155 425 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 1851 676 242 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 542 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 200 83 32 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 26 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 10276 8754 92 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4176 498 269 BBIL-AP BHARTI Airtel Ltd., IN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2413 336 670 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2306 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 2229 3628 1269 AMAZON-02, US
4766 2032 6035 956 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 4176 3907 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
30036 2413 1743 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 1729 CHARTER-20115, US
8151 1851 1609 UNINET, MX
45609 1852 1529 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2306 1526 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
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
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
/13:82 /14:167 /15:397 /16:2489 /17:1334 /18:2815
/19:4422 /20:7584 /21:9473 /22:17305 /23:16416 /24:96328
/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 2097 2413 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1401 2306 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1322 1902 CABLEONE, US
8151 1020 1851 UNINET, MX
49505 595 859 SELECTEL, RU
20115 551 2235 CHARTER-20115, US
36914 518 542 KENET-AS, KE
50010 514 616 NAWRAS-AS Sultanate of Oman, OM
9123 504 621 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 5:1086 8:63 12:81
13:86 14:375 15:58 16:63 17:316 18:72
20:28 23:718 24:593 25:2 27:617 31:525
32:2 34:3 35:37 36:1430 37:652 38:514
39:700 40:1 41:246 42:144 43:667 44:22
45:2335 46:787 47:64 49:209 50:319 51:138
52:258 54:62 57:28 58:301 59:449 60:95
61:814 62:552 63:128 64:371 65:283 66:299
67:311 68:70 69:267 70:32 71:82 72:247
74:197 75:65 76:62 77:483 78:453 79:239
80:224 81:341 82:354 83:192 84:185 85:374
86:126 87:309 88:99 89:460 90:133 91:1394
92:447 93:931 94:784 95:1471 96:267 97:146
98:68 99:47 101:466 102:146 103:8135 104:369
105:181 106:288 107:107 108:142 109:465 110:231
111:2100 112:928 113:314 114:815 115:309 116:409
117:1382 118:440 119:257 120:1241 121:418 122:1754
123:457 124:329 125:1585 126:6 128:396 129:66
130:129 131:208 132:52 133:303 134:163 135:24
136:82 137:169 138:311 139:225 140:313 141:183
142:77 143:161 144:122 145:135 146:372 147:256
148:196 149:198 150:266 151:517 152:453 153:37
154:944 155:189 156:468 157:284 158:127 159:394
160:677 161:147 162:277 163:308 164:142 165:219
166:44 167:192 168:340 169:74 170:469 171:197
172:213 173:971 174:119 175:567 176:720 177:527
178:690 179:192 180:461 181:139 182:1582 183:1066
184:136 185:2247 186:213 187:466 188:593 189:301
190:468 191:91 192:1850 193:1122 194:913 195:765
196:290 197:406 198:761 199:556 200:788 201:531
202:2491 203:2259 204:287 205:269 206:304 207:319
208:239 209:313 210:1463 211:1147 212:765 213:520
214:2 216:367 217:561 218:807 219:66 220:567
221:359 222:135 223:1088
End of report
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