[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Apr 19 20:31:55 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Sat 19 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: 159338
Prefixes after maximum aggregation (per Origin AS): 63895
Deaggregation factor: 2.49
Unique aggregates announced (without unneeded subnets): 91089
Number of IPv4 prefixes with a valid ROA: 87632
Number of IPv4 prefixes with an invalid ROA: 61
Number of IPv4 prefixes with no ROA: 71645
Total ASes present in the Internet Routing Table: 14832
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 12549
Origin ASes announcing only one prefix: 6054
Transit ASes present in the Internet Routing Table: 2283
Transit-only ASes present in the Internet Routing Table: 504
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: 46245
Number of 32-bit ASNs visible in the Routing Table: 7389
Prefixes from 32-bit ASNs in the Routing Table: 30374
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: 64
Number of addresses announced to Internet: 506926592
Equivalent to 30 /8s, 55 /16s and 22 /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: 39241
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78162
Total APNIC prefixes after maximum aggregation: 25404
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 76453
Unique aggregates announced from the APNIC address blocks: 37162
APNIC Region origin ASes present in the Internet Routing Table: 5047
APNIC Prefixes per ASN: 15.15
APNIC Region origin ASes announcing only one prefix: 1876
APNIC Region transit ASes present in the Internet Routing Table: 742
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: 3248
Number of APNIC addresses announced to Internet: 189997056
Equivalent to 11 /8s, 83 /16s and 32 /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: 26893
Total ARIN prefixes after maximum aggregation: 14617
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26705
Unique aggregates announced from the ARIN address blocks: 20580
ARIN Region origin ASes present in the Internet Routing Table: 2137
ARIN Prefixes per ASN: 12.50
ARIN Region origin ASes announcing only one prefix: 1004
ARIN Region transit ASes present in the Internet Routing Table: 230
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: 470
Number of ARIN addresses announced to Internet: 167651328
Equivalent to 9 /8s, 254 /16s and 40 /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: 39776
Total RIPE prefixes after maximum aggregation: 18792
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 40644
Unique aggregates announced from the RIPE address blocks: 25509
RIPE Region origin ASes present in the Internet Routing Table: 4678
RIPE Prefixes per ASN: 8.69
RIPE Region origin ASes announcing only one prefix: 2166
RIPE Region transit ASes present in the Internet Routing Table: 687
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: 1646
Number of RIPE addresses announced to Internet: 125092864
Equivalent to 7 /8s, 116 /16s and 196 /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: 12682
Total LACNIC prefixes after maximum aggregation: 4585
LACNIC Deaggregation factor: 2.77
Prefixes being announced from the LACNIC address blocks: 12084
Unique aggregates announced from the LACNIC address blocks: 5907
LACNIC Region origin ASes present in the Internet Routing Table: 2317
LACNIC Prefixes per ASN: 5.22
LACNIC Region origin ASes announcing only one prefix: 960
LACNIC Region transit ASes present in the Internet Routing Table: 498
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1952
Number of LACNIC addresses announced to Internet: 18524928
Equivalent to 1 /8s, 26 /16s and 171 /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: 1748
Total AfriNIC prefixes after maximum aggregation: 443
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 3388
Unique aggregates announced from the AfriNIC address blocks: 1898
AfriNIC Region origin ASes present in the Internet Routing Table: 127
AfriNIC Prefixes per ASN: 26.68
AfriNIC Region origin ASes announcing only one prefix: 48
AfriNIC Region transit ASes present in the Internet Routing Table: 39
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: 5628928
Equivalent to 0 /8s, 85 /16s and 228 /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 2856 850 537 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 2211 3610 1267 AMAZON-02, US
11492 1889 131 1031 CABLEONE, US
714 1221 4391 8 APPLE-ENGINEERING, US
8075 749 16020 633 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 TWC-10796-MIDWEST, US
12083 574 192 88 WOW-INTERNET, US
2152 396 44 265 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 473 176 189 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 1867 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 540 82 3 KENET-AS, KE
2018 373 318 69 TENET-1, ZA
36873 198 83 30 VNL1-AS, NG
30999 74 25 30 EMTEL-AS-AP, MU
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
15399 39 3 30 WANANCHI-, KE
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37531 20 2 16 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 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 2856 850 537 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 2211 3610 1267 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 2856 2319 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 1867 1623 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
23.138.4.0/24 Origin: 16509 AMAZON-02, US
23.138.4.0/24 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
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
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 /16:2481 /17:1330 /18:2817
/19:4421 /20:7613 /21:9447 /22:17378 /23:16485 /24:96642
/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 1867 UNINET, MX
49505 594 858 SELECTEL, RU
50010 552 665 NAWRAS-AS Sultanate of Oman, OM
20115 551 2235 CHARTER-20115, US
36914 516 540 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 2:329 3:102 5:1079 8:68 12:80
13:87 14:390 15:58 16:63 17:316 18:72
20:28 23:727 24:595 25:2 27:613 31:521
32:2 34:3 35:37 36:1347 37:632 38:523
39:699 40:1 41:248 42:147 43:668 44:22
45:2517 46:763 47:63 49:207 50:319 51:138
52:257 54:41 57:28 58:304 59:453 60:95
61:814 62:559 63:128 64:380 65:287 66:299
67:302 68:69 69:268 70:33 71:82 72:246
74:203 75:68 76:62 77:477 78:453 79:246
80:222 81:350 82:389 83:185 84:194 85:376
86:143 87:304 88:103 89:480 90:133 91:1394
92:438 93:917 94:784 95:1468 96:266 97:146
98:72 99:47 101:462 102:133 103:8176 104:381
105:180 106:287 107:114 108:142 109:455 110:230
111:2102 112:926 113:312 114:811 115:308 116:406
117:1390 118:415 119:282 120:1232 121:419 122:1756
123:461 124:329 125:1585 126:6 128:403 129:64
130:126 131:204 132:51 133:304 134:160 135:24
136:79 137:162 138:335 139:230 140:317 141:189
142:79 143:169 144:119 145:133 146:377 147:257
148:357 149:234 150:267 151:498 152:468 153:37
154:779 155:199 156:453 157:285 158:131 159:394
160:679 161:148 162:277 163:312 164:145 165:223
166:49 167:188 168:353 169:79 170:487 171:198
172:214 173:972 174:118 175:566 176:729 177:558
178:666 179:203 180:456 181:166 182:1554 183:1063
184:138 185:2295 186:208 187:474 188:582 189:294
190:478 191:102 192:1839 193:1135 194:923 195:772
196:243 197:402 198:748 199:554 200:766 201:544
202:2489 203:2237 204:289 205:270 206:300 207:326
208:242 209:314 210:1472 211:1144 212:781 213:527
214:2 216:383 217:552 218:805 219:65 220:573
221:359 222:135 223:1063
End of report
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