[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 15 20:31:56 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Thu 15 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: 157702
Prefixes after maximum aggregation (per Origin AS): 62736
Deaggregation factor: 2.51
Unique aggregates announced (without unneeded subnets): 88880
Number of IPv4 prefixes with a valid ROA: 86468
Number of IPv4 prefixes with an invalid ROA: 74
Number of IPv4 prefixes with no ROA: 71160
Total ASes present in the Internet Routing Table: 14650
Prefixes per ASN: 10.76
Origin-only ASes present in the Internet Routing Table: 12392
Origin ASes announcing only one prefix: 6000
Transit ASes present in the Internet Routing Table: 2258
Transit-only ASes present in the Internet Routing Table: 526
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: 81
Number of instances of unregistered ASNs: 81
Number of 32-bit ASNs allocated by the RIRs: 46405
Number of 32-bit ASNs visible in the Routing Table: 7229
Prefixes from 32-bit ASNs in the Routing Table: 29111
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: 62
Number of addresses announced to Internet: 504609280
Equivalent to 30 /8s, 19 /16s and 186 /24s
Percentage of available address space announced: 13.6
Percentage of allocated address space announced: 13.6
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: 38260
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78171
Total APNIC prefixes after maximum aggregation: 25102
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 76564
Unique aggregates announced from the APNIC address blocks: 36394
APNIC Region origin ASes present in the Internet Routing Table: 5036
APNIC Prefixes per ASN: 15.20
APNIC Region origin ASes announcing only one prefix: 1894
APNIC Region transit ASes present in the Internet Routing Table: 748
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: 3233
Number of APNIC addresses announced to Internet: 188887040
Equivalent to 11 /8s, 66 /16s and 48 /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: 26922
Total ARIN prefixes after maximum aggregation: 14649
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26479
Unique aggregates announced from the ARIN address blocks: 20446
ARIN Region origin ASes present in the Internet Routing Table: 2137
ARIN Prefixes per ASN: 12.39
ARIN Region origin ASes announcing only one prefix: 1006
ARIN Region transit ASes present in the Internet Routing Table: 224
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: 475
Number of ARIN addresses announced to Internet: 167518976
Equivalent to 9 /8s, 252 /16s and 35 /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: 39241
Total RIPE prefixes after maximum aggregation: 18218
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 40150
Unique aggregates announced from the RIPE address blocks: 24950
RIPE Region origin ASes present in the Internet Routing Table: 4601
RIPE Prefixes per ASN: 8.73
RIPE Region origin ASes announcing only one prefix: 2127
RIPE Region transit ASes present in the Internet Routing Table: 659
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: 1602
Number of RIPE addresses announced to Internet: 124649216
Equivalent to 7 /8s, 109 /16s and 255 /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: 11750
Total LACNIC prefixes after maximum aggregation: 4332
LACNIC Deaggregation factor: 2.71
Prefixes being announced from the LACNIC address blocks: 11180
Unique aggregates announced from the LACNIC address blocks: 5497
LACNIC Region origin ASes present in the Internet Routing Table: 2225
LACNIC Prefixes per ASN: 5.02
LACNIC Region origin ASes announcing only one prefix: 933
LACNIC Region transit ASes present in the Internet Routing Table: 489
Average LACNIC Region AS path length visible: 7.5
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1868
Number of LACNIC addresses announced to Internet: 17618176
Equivalent to 1 /8s, 12 /16s and 213 /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: 1537
Total AfriNIC prefixes after maximum aggregation: 374
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 3267
Unique aggregates announced from the AfriNIC address blocks: 1563
AfriNIC Region origin ASes present in the Internet Routing Table: 101
AfriNIC Prefixes per ASN: 32.35
AfriNIC Region origin ASes announcing only one prefix: 40
AfriNIC Region transit ASes present in the Internet Routing Table: 31
Average AfriNIC Region AS path length visible: 7.1
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 51
Number of AfriNIC addresses announced to Internet: 5905920
Equivalent to 0 /8s, 90 /16s and 30 /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 10811 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4217 500 292 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2118 1075 452 VIETEL-AS-AP Viettel Group, VN
4766 1871 5889 954 KIXS-AS-KR Korea Telecom, KR
45609 1853 828 322 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 2413 335 673 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 3096 513 CHARTER-20115, US
16509 2234 3628 1278 AMAZON-02, US
11492 1927 134 1046 CABLEONE, US
714 1242 4391 8 APPLE-ENGINEERING, US
8075 756 16021 638 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 639 1912 301 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 918 639 330 SAUDINETSTC-AS, SA
49505 860 92 356 SELECTEL, RU
9123 632 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 1513 535 225 UNINET, MX
7738 577 1719 61 V tal, BR
8167 342 1089 44 V tal, BR
1916 242 177 40 Rede Nacional de Ensino e Pesquisa, BR
28201 219 16 28 Companhia Itabirana Telecomunicacoes Ltda
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11014 127 10 26 CPS, AR
11340 110 25 52 Red Universitaria Nacional, CL
19089 107 18 45 Scala Data Centers, BR
262773 89 16 38 PROXXIMA TELECOMUNICACOES SA, 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 552 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 10811 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4217 500 292 BBIL-AP BHARTI Airtel Ltd., IN
39891 4179 255 52 ALJAWWALSTC-AS, SA
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2413 335 673 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2309 1999 781 ROSTELECOM-AS PJSC Rostelecom. Technical
20115 2235 3096 513 CHARTER-20115, US
16509 2234 3628 1278 AMAZON-02, US
7552 2118 1075 452 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 4217 3925 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 2331 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
30036 2413 1740 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2235 1722 CHARTER-20115, US
7552 2118 1666 VIETEL-AS-AP Viettel Group, VN
56046 1779 1599 CMNET-JIANGSU-AP China Mobile communications co
45609 1853 1531 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
12389 2309 1528 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
56041 1577 1503 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
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 /14:167 /15:397 /16:2483 /17:1339 /18:2801
/19:4373 /20:7548 /21:9336 /22:17240 /23:16326 /24:95535
/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 1403 2309 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1326 1927 CABLEONE, US
8151 829 1513 UNINET, MX
49505 596 860 SELECTEL, RU
20115 552 2235 CHARTER-20115, US
36914 528 552 KENET-AS, KE
9123 514 632 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)
----------------------------------------------
1:160 2:325 3:104 5:1091 8:72 12:81
13:89 14:373 15:58 16:63 17:322 18:74
20:28 23:715 24:593 25:2 27:606 31:526
32:2 34:3 35:37 36:1812 37:643 38:501
39:703 40:1 41:244 42:115 43:672 44:25
45:2345 46:785 47:64 49:253 50:320 51:138
52:259 54:62 57:28 58:267 59:432 60:95
61:775 62:550 63:129 64:352 65:283 66:300
67:292 68:72 69:264 70:32 71:84 72:226
74:196 75:65 76:62 77:483 78:450 79:231
80:222 81:342 82:344 83:179 84:184 85:366
86:113 87:308 88:100 89:458 90:134 91:1386
92:449 93:928 94:788 95:1455 96:266 97:146
98:68 99:47 101:459 102:118 103:7993 104:363
105:9 106:290 107:112 108:146 109:467 110:230
111:2154 112:935 113:297 114:809 115:292 116:412
117:1376 118:323 119:244 120:1288 121:394 122:1712
123:391 124:328 125:1579 126:6 128:375 129:67
130:125 131:213 132:52 133:303 134:163 135:24
136:79 137:167 138:320 139:226 140:317 141:186
142:76 143:156 144:124 145:136 146:371 147:230
148:199 149:196 150:227 151:510 152:453 153:37
154:864 155:189 156:440 157:292 158:126 159:395
160:673 161:131 162:272 163:299 164:141 165:217
166:44 167:185 168:583 169:69 170:463 171:192
172:212 173:974 174:119 175:551 176:723 177:474
178:678 179:176 180:474 181:138 182:1616 183:1120
184:138 185:2220 186:222 187:468 188:589 189:250
190:466 191:96 192:1852 193:1131 194:906 195:764
196:304 197:372 198:766 199:562 200:786 201:446
202:2494 203:2168 204:284 205:264 206:302 207:319
208:241 209:308 210:1430 211:1114 212:742 213:517
214:2 216:342 217:555 218:796 219:63 220:538
221:391 222:128 223:1093
End of report
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