[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Apr 8 20:31:59 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Tue 08 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: 158089
Prefixes after maximum aggregation (per Origin AS): 63499
Deaggregation factor: 2.49
Unique aggregates announced (without unneeded subnets): 90133
Number of IPv4 prefixes with a valid ROA: 87166
Number of IPv4 prefixes with an invalid ROA: 61
Number of IPv4 prefixes with no ROA: 70862
Total ASes present in the Internet Routing Table: 14697
Prefixes per ASN: 10.76
Origin-only ASes present in the Internet Routing Table: 12403
Origin ASes announcing only one prefix: 5961
Transit ASes present in the Internet Routing Table: 2294
Transit-only ASes present in the Internet Routing Table: 523
Paths with bogon ASNs present in the IPv4 Routing Table: 8
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: 82
Number of instances of unregistered ASNs: 87
Number of 32-bit ASNs allocated by the RIRs: 46152
Number of 32-bit ASNs visible in the Routing Table: 7378
Prefixes from 32-bit ASNs in the Routing Table: 30431
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 52
Number of addresses announced to Internet: 499304960
Equivalent to 29 /8s, 194 /16s and 202 /24s
Percentage of available address space announced: 13.5
Percentage of allocated address space announced: 13.5
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: 39056
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 77370
Total APNIC prefixes after maximum aggregation: 25041
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 75570
Unique aggregates announced from the APNIC address blocks: 36397
APNIC Region origin ASes present in the Internet Routing Table: 4927
APNIC Prefixes per ASN: 15.34
APNIC Region origin ASes announcing only one prefix: 1815
APNIC Region transit ASes present in the Internet Routing Table: 738
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3224
Number of APNIC addresses announced to Internet: 186390016
Equivalent to 11 /8s, 28 /16s and 22 /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: 26367
Total ARIN prefixes after maximum aggregation: 14518
ARIN Deaggregation factor: 1.82
Prefixes being announced from the ARIN address blocks: 26047
Unique aggregates announced from the ARIN address blocks: 20109
ARIN Region origin ASes present in the Internet Routing Table: 2074
ARIN Prefixes per ASN: 12.56
ARIN Region origin ASes announcing only one prefix: 989
ARIN Region transit ASes present in the Internet Routing Table: 226
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 469
Number of ARIN addresses announced to Internet: 163929088
Equivalent to 9 /8s, 197 /16s and 92 /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: 39841
Total RIPE prefixes after maximum aggregation: 18900
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 40687
Unique aggregates announced from the RIPE address blocks: 25726
RIPE Region origin ASes present in the Internet Routing Table: 4698
RIPE Prefixes per ASN: 8.66
RIPE Region origin ASes announcing only one prefix: 2158
RIPE Region transit ASes present in the Internet Routing Table: 689
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: 1644
Number of RIPE addresses announced to Internet: 124835072
Equivalent to 7 /8s, 112 /16s and 213 /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: 12728
Total LACNIC prefixes after maximum aggregation: 4550
LACNIC Deaggregation factor: 2.80
Prefixes being announced from the LACNIC address blocks: 12142
Unique aggregates announced from the LACNIC address blocks: 5907
LACNIC Region origin ASes present in the Internet Routing Table: 2319
LACNIC Prefixes per ASN: 5.24
LACNIC Region origin ASes announcing only one prefix: 947
LACNIC Region transit ASes present in the Internet Routing Table: 499
Average LACNIC Region AS path length visible: 7.4
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1966
Number of LACNIC addresses announced to Internet: 18388224
Equivalent to 1 /8s, 24 /16s and 149 /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: 1701
Total AfriNIC prefixes after maximum aggregation: 431
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 3591
Unique aggregates announced from the AfriNIC address blocks: 1960
AfriNIC Region origin ASes present in the Internet Routing Table: 133
AfriNIC Prefixes per ASN: 27.00
AfriNIC Region origin ASes announcing only one prefix: 52
AfriNIC Region transit ASes present in the Internet Routing Table: 39
Average AfriNIC Region AS path length visible: 7.0
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 75
Number of AfriNIC addresses announced to Internet: 5730816
Equivalent to 0 /8s, 87 /16s and 114 /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 10132 8753 88 CHINAMOBILE-CN China Mobile Communication
9498 4159 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2847 849 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2253 1084 453 VIETEL-AS-AP Viettel Group, VN
4766 2024 6035 948 KIXS-AS-KR Korea Telecom, KR
45609 1837 824 321 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1592 812 181 CMNET-JIANGSU-AP China Mobile communicati
56041 1547 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 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 2256 311 866 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2230 3096 505 CHARTER-20115, US
16509 2200 3547 1260 AMAZON-02, US
11492 1882 130 1028 CABLEONE, US
714 1208 4391 8 APPLE-ENGINEERING, US
8075 738 16019 623 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 640 1944 302 TWC-10796-MIDWEST, US
12083 440 191 84 WOW-INTERNET, US
2152 387 40 263 CENIC-2152, US
33363 384 1416 211 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 2310 1997 782 ROSTELECOM-AS, RU
25019 916 639 323 SAUDINETSTC-AS, SA
49505 856 92 355 SELECTEL, RU
50010 665 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 602 38 266 TIMEWEB-AS, RU
9155 426 37 9 QNET Kuwait, KW
42772 373 63 104 A1-BY-AS, BY
50340 347 34 227 SELECTEL-MSK, RU
209242 342 31 307 CLOUDFLARESPECTRUM Cloudflare, Inc., US
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 1884 686 244 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 108 9 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 539 82 3 KENET-AS, KE
2018 356 318 66 TENET-1, ZA
36873 198 83 30 VNL1-AS, NG
30999 75 25 31 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
15399 23 2 15 WANANCHI-, KE
37531 19 2 15 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 10132 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 2847 849 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
12389 2310 1997 782 ROSTELECOM-AS, RU
30036 2256 311 866 MEDIACOM-ENTERPRISE-BUSINESS, US
7552 2253 1084 453 VIETEL-AS-AP Viettel Group, VN
20115 2230 3096 505 CHARTER-20115, US
16509 2200 3547 1260 AMAZON-02, US
4766 2024 6035 948 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 2847 2311 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
7552 2253 1800 VIETEL-AS-AP Viettel Group, VN
20115 2230 1725 CHARTER-20115, US
8151 1884 1640 UNINET, MX
12389 2310 1528 ROSTELECOM-AS, RU
45609 1837 1516 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56041 1547 1473 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
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
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
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
23.161.8.0/24 Origin: 142433 DATAWAVE-AS-AP DATAWAVE GLOBAL LLC, CN
23.161.8.0/24 Transit: 983 AKARI-NETWORKS, US
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 /14:164 /15:394 /16:2398 /17:1321 /18:2797
/19:4397 /20:7557 /21:9344 /22:17175 /23:16359 /24:96024
/25:0 /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 1957 2256 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1407 2310 ROSTELECOM-AS, RU
11492 1314 1882 CABLEONE, US
8151 1032 1884 UNINET, MX
49505 592 856 SELECTEL, RU
50010 552 665 NAWRAS-AS Sultanate of Oman, OM
20115 545 2230 CHARTER-20115, US
36914 515 539 KENET-AS, KE
16509 487 2200 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:203 2:330 3:100 5:1078 8:61 12:82
13:87 14:383 15:58 16:63 17:312 18:72
20:28 23:724 24:497 25:2 27:615 31:536
32:2 34:3 35:38 36:1350 37:620 38:533
39:692 40:1 41:250 42:145 43:669 44:20
45:2559 46:786 47:63 49:198 50:306 51:138
52:257 54:41 57:27 58:301 59:454 60:95
61:814 62:564 63:126 64:379 65:287 66:302
67:301 68:69 69:256 70:34 71:80 72:242
74:199 75:64 76:58 77:495 78:455 79:237
80:236 81:353 82:386 83:184 84:187 85:376
86:141 87:304 88:110 89:494 90:132 91:1404
92:447 93:927 94:783 95:1474 96:264 97:143
98:72 99:47 101:470 102:154 103:8153 104:370
105:180 106:292 107:114 108:140 109:437 110:229
111:2094 112:923 113:317 114:830 115:306 116:421
117:1332 118:406 119:292 120:1227 121:418 122:1753
123:454 124:332 125:1582 126:6 128:402 129:62
130:124 131:189 132:44 133:304 134:134 135:23
136:79 137:162 138:321 139:225 140:313 141:192
142:81 143:165 144:117 145:133 146:377 147:250
148:356 149:230 150:258 151:492 152:462 153:37
154:945 155:195 156:467 157:281 158:130 159:391
160:657 161:149 162:267 163:304 164:145 165:223
166:57 167:189 168:341 169:80 170:495 171:199
172:218 173:925 174:118 175:566 176:726 177:562
178:690 179:227 180:492 181:156 182:1583 183:1066
184:138 185:2318 186:205 187:481 188:625 189:302
190:472 191:93 192:1700 193:1131 194:930 195:776
196:242 197:382 198:706 199:497 200:746 201:545
202:2444 203:2031 204:265 205:265 206:302 207:318
208:235 209:319 210:1368 211:1143 212:789 213:542
214:2 216:379 217:545 218:800 219:68 220:566
221:354 222:134 223:1053
End of report
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