[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 4 20:31:45 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 04 Jun, 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: 160764
Prefixes after maximum aggregation (per Origin AS): 64046
Deaggregation factor: 2.51
Unique aggregates announced (without unneeded subnets): 90741
Number of IPv4 prefixes with a valid ROA: 88631
Number of IPv4 prefixes with an invalid ROA: 64
Number of IPv4 prefixes with no ROA: 72069
Total ASes present in the Internet Routing Table: 14757
Prefixes per ASN: 10.89
Origin-only ASes present in the Internet Routing Table: 12474
Origin ASes announcing only one prefix: 6065
Transit ASes present in the Internet Routing Table: 2283
Transit-only ASes present in the Internet Routing Table: 501
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: 69
Number of instances of unregistered ASNs: 69
Number of 32-bit ASNs allocated by the RIRs: 46565
Number of 32-bit ASNs visible in the Routing Table: 7275
Prefixes from 32-bit ASNs in the Routing Table: 30251
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: 30
Number of addresses announced to Internet: 505922560
Equivalent to 30 /8s, 39 /16s and 196 /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: 39449
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 79079
Total APNIC prefixes after maximum aggregation: 25063
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 77304
Unique aggregates announced from the APNIC address blocks: 36584
APNIC Region origin ASes present in the Internet Routing Table: 4983
APNIC Prefixes per ASN: 15.51
APNIC Region origin ASes announcing only one prefix: 1846
APNIC Region transit ASes present in the Internet Routing Table: 748
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: 3185
Number of APNIC addresses announced to Internet: 188375552
Equivalent to 11 /8s, 58 /16s and 98 /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: 27409
Total ARIN prefixes after maximum aggregation: 15009
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 27043
Unique aggregates announced from the ARIN address blocks: 20912
ARIN Region origin ASes present in the Internet Routing Table: 2236
ARIN Prefixes per ASN: 12.09
ARIN Region origin ASes announcing only one prefix: 1048
ARIN Region transit ASes present in the Internet Routing Table: 234
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: 503
Number of ARIN addresses announced to Internet: 168127488
Equivalent to 10 /8s, 5 /16s and 108 /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: 40124
Total RIPE prefixes after maximum aggregation: 19025
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 40899
Unique aggregates announced from the RIPE address blocks: 25748
RIPE Region origin ASes present in the Internet Routing Table: 4663
RIPE Prefixes per ASN: 8.77
RIPE Region origin ASes announcing only one prefix: 2175
RIPE Region transit ASes present in the Internet Routing Table: 672
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: 1654
Number of RIPE addresses announced to Internet: 125308672
Equivalent to 7 /8s, 120 /16s and 15 /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: 12487
Total LACNIC prefixes after maximum aggregation: 4518
LACNIC Deaggregation factor: 2.76
Prefixes being announced from the LACNIC address blocks: 11983
Unique aggregates announced from the LACNIC address blocks: 5786
LACNIC Region origin ASes present in the Internet Routing Table: 2254
LACNIC Prefixes per ASN: 5.32
LACNIC Region origin ASes announcing only one prefix: 956
LACNIC Region transit ASes present in the Internet Routing Table: 490
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: 1883
Number of LACNIC addresses announced to Internet: 18211072
Equivalent to 1 /8s, 21 /16s and 225 /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: 1596
Total AfriNIC prefixes after maximum aggregation: 382
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 3505
Unique aggregates announced from the AfriNIC address blocks: 1686
AfriNIC Region origin ASes present in the Internet Routing Table: 101
AfriNIC Prefixes per ASN: 34.70
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: 7.4
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 50
Number of AfriNIC addresses announced to Internet: 5881600
Equivalent to 0 /8s, 89 /16s and 191 /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 10884 8756 98 CHINAMOBILE-CN China Mobile Communication
9498 4242 500 296 BBIL-AP BHARTI Airtel Ltd., IN
24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2151 1067 457 VIETEL-AS-AP Viettel Group, VN
56046 2002 812 180 CMNET-JIANGSU-AP China Mobile communicati
4766 1982 6032 921 KIXS-AS-KR Korea Telecom, KR
45609 1853 826 324 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56041 1638 728 86 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 50 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 2421 335 654 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2267 3695 1299 AMAZON-02, US
20115 2245 3096 513 CHARTER-20115, US
11492 1942 135 1048 CABLEONE, US
714 1242 4391 8 APPLE-ENGINEERING, US
8075 761 16021 643 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 638 1880 300 TWC-10796-MIDWEST, US
12083 581 192 88 WOW-INTERNET, US
2152 402 45 268 CENIC-2152, US
33363 372 1419 221 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 4180 255 53 ALJAWWALSTC-AS, SA
12389 2347 1992 782 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 888 623 323 SAUDINETSTC-AS, SA
49505 860 92 356 SELECTEL, RU
9123 648 41 291 TIMEWEB-AS, RU
50010 618 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 487 191 179 KAZTELECOM-AS, KZ
9155 427 37 8 QNET Kuwait, KW
21299 424 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan
42772 374 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 2087 692 280 UNINET, MX
7738 510 1527 64 V tal, BR
8167 342 1089 44 V tal, BR
1916 241 177 40 Rede Nacional de Ensino e Pesquisa, BR
28201 219 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 126 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 554 82 3 KENET-AS, KE
2018 374 318 69 TENET-1, ZA
30999 74 25 32 EMTEL-AS-AP, MU
15399 71 6 26 WANANCHI-, KE
23889 55 37 31 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37473 46 4 2 TELESOM, SO
10798 38 2 30 SBICSA, ZA
37215 36 8 1 MAREN, MW
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 10884 8756 98 CHINAMOBILE-CN China Mobile Communication
9498 4242 500 296 BBIL-AP BHARTI Airtel Ltd., IN
39891 4180 255 53 ALJAWWALSTC-AS, SA
24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2421 335 654 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2347 1992 782 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2267 3695 1299 AMAZON-02, US
20115 2245 3096 513 CHARTER-20115, US
7552 2151 1067 457 VIETEL-AS-AP Viettel Group, VN
8151 2087 692 280 UNINET, MX
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 4180 4127 ALJAWWALSTC-AS, SA
9498 4242 3946 BBIL-AP BHARTI Airtel Ltd., IN
24560 2878 2350 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
56046 2002 1822 CMNET-JIANGSU-AP China Mobile communications co
8151 2087 1807 UNINET, MX
30036 2421 1767 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2245 1732 CHARTER-20115, US
7552 2151 1694 VIETEL-AS-AP Viettel Group, VN
12389 2347 1565 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
56041 1638 1552 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
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
26345 UNALLOCATED 71.13.182.0/24 20115 CHARTER-20115, US
46123 UNALLOCATED 71.46.221.0/24 33363 BHN-33363, 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 /14:162 /15:395 /16:2479 /17:1313 /18:2763
/19:4449 /20:7673 /21:9676 /22:17460 /23:16679 /24:97556
/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 4180 ALJAWWALSTC-AS, SA
30036 2104 2421 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1439 2347 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1334 1942 CABLEONE, US
8151 1141 2087 UNINET, MX
49505 597 860 SELECTEL, RU
20115 552 2245 CHARTER-20115, US
36914 530 554 KENET-AS, KE
9123 526 648 TIMEWEB-AS, RU
50010 516 618 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 2:323 3:105 5:1112 8:82 12:73
13:90 14:399 15:59 16:63 17:325 18:74
20:28 23:748 24:597 25:2 27:603 31:554
32:2 34:3 35:53 36:1952 37:642 38:553
39:696 40:1 41:249 42:115 43:672 44:23
45:2356 46:786 47:64 49:209 50:327 51:138
52:258 54:62 57:28 58:263 59:460 60:95
61:787 62:563 63:137 64:365 65:165 66:326
67:300 68:78 69:299 70:50 71:82 72:241
74:231 75:68 76:62 77:496 78:454 79:247
80:227 81:345 82:377 83:190 84:195 85:401
86:134 87:319 88:106 89:483 90:135 91:1386
92:458 93:960 94:783 95:1477 96:270 97:149
98:73 99:47 101:488 102:111 103:7901 104:389
105:9 106:293 107:109 108:175 109:452 110:224
111:2113 112:994 113:300 114:840 115:374 116:431
117:1378 118:351 119:241 120:1340 121:423 122:1727
123:394 124:329 125:1595 126:6 128:381 129:61
130:127 131:211 132:52 133:302 134:175 135:23
136:78 137:167 138:319 139:127 140:325 141:151
142:83 143:167 144:132 145:148 146:335 147:221
148:350 149:193 150:220 151:533 152:455 153:38
154:940 155:202 156:485 157:260 158:131 159:382
160:626 161:144 162:277 163:329 164:150 165:232
166:42 167:170 168:589 169:74 170:468 171:194
172:239 173:996 174:125 175:561 176:732 177:480
178:697 179:178 180:452 181:158 182:1639 183:1135
184:140 185:2295 186:213 187:542 188:600 189:311
190:478 191:100 192:1879 193:1114 194:898 195:788
196:314 197:375 198:798 199:536 200:799 201:539
202:2440 203:2181 204:295 205:269 206:320 207:325
208:258 209:326 210:1484 211:1151 212:762 213:531
216:395 217:552 218:815 219:62 220:564 221:421
222:132 223:1236
End of report
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