[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Feb 19 20:31:58 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 19 Feb, 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: 158293
Prefixes after maximum aggregation (per Origin AS): 63607
Deaggregation factor: 2.49
Unique aggregates announced (without unneeded subnets): 89975
Number of IPv4 prefixes with a valid ROA: 84599
Number of IPv4 prefixes with an invalid ROA: 67
Number of IPv4 prefixes with no ROA: 73627
Total ASes present in the Internet Routing Table: 14623
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 12349
Origin ASes announcing only one prefix: 5933
Transit ASes present in the Internet Routing Table: 2274
Transit-only ASes present in the Internet Routing Table: 503
Paths with bogon ASNs present in the IPv4 Routing Table: 16
Average AS path length visible in the Internet Routing Table: 6.7
Max AS path length visible: 40
Max AS path prepend of ASN ( 37447) 36
Prefixes from unregistered ASNs in the Routing Table: 57
Number of instances of unregistered ASNs: 74
Number of 32-bit ASNs allocated by the RIRs: 46145
Number of 32-bit ASNs visible in the Routing Table: 7176
Prefixes from 32-bit ASNs in the Routing Table: 29284
Number of bogon 32-bit ASNs visible in the Routing Table: 36
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 46
Number of addresses announced to Internet: 513330944
Equivalent to 30 /8s, 152 /16s and 207 /24s
Percentage of available address space announced: 13.9
Percentage of allocated address space announced: 13.9
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: 39282
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76114
Total APNIC prefixes after maximum aggregation: 25358
APNIC Deaggregation factor: 3.00
Prefixes being announced from the APNIC address blocks: 74603
Unique aggregates announced from the APNIC address blocks: 36245
APNIC Region origin ASes present in the Internet Routing Table: 4895
APNIC Prefixes per ASN: 15.24
APNIC Region origin ASes announcing only one prefix: 1795
APNIC Region transit ASes present in the Internet Routing Table: 722
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3106
Number of APNIC addresses announced to Internet: 191300608
Equivalent to 11 /8s, 103 /16s and 4 /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: 26581
Total ARIN prefixes after maximum aggregation: 14420
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 26121
Unique aggregates announced from the ARIN address blocks: 20596
ARIN Region origin ASes present in the Internet Routing Table: 2121
ARIN Prefixes per ASN: 12.32
ARIN Region origin ASes announcing only one prefix: 1006
ARIN Region transit ASes present in the Internet Routing Table: 233
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: 463
Number of ARIN addresses announced to Internet: 163996416
Equivalent to 9 /8s, 198 /16s and 99 /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: 40412
Total RIPE prefixes after maximum aggregation: 18708
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 40908
Unique aggregates announced from the RIPE address blocks: 24955
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: 2154
RIPE Region transit ASes present in the Internet Routing Table: 676
Average RIPE Region AS path length visible: 6.2
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1623
Number of RIPE addresses announced to Internet: 126246144
Equivalent to 7 /8s, 134 /16s and 93 /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: 13148
Total LACNIC prefixes after maximum aggregation: 4599
LACNIC Deaggregation factor: 2.86
Prefixes being announced from the LACNIC address blocks: 13141
Unique aggregates announced from the LACNIC address blocks: 6261
LACNIC Region origin ASes present in the Internet Routing Table: 2295
LACNIC Prefixes per ASN: 5.73
LACNIC Region origin ASes announcing only one prefix: 937
LACNIC Region transit ASes present in the Internet Routing Table: 505
Average LACNIC Region AS path length visible: 7.1
Max LACNIC Region AS path length visible: 37
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1920
Number of LACNIC addresses announced to Internet: 25241856
Equivalent to 1 /8s, 129 /16s and 41 /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: 1981
Total AfriNIC prefixes after maximum aggregation: 476
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 3474
Unique aggregates announced from the AfriNIC address blocks: 1880
AfriNIC Region origin ASes present in the Internet Routing Table: 125
AfriNIC Prefixes per ASN: 27.79
AfriNIC Region origin ASes announcing only one prefix: 41
AfriNIC Region transit ASes present in the Internet Routing Table: 37
Average AfriNIC Region AS path length visible: 7.2
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 64
Number of AfriNIC addresses announced to Internet: 6514688
Equivalent to 0 /8s, 99 /16s and 104 /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 10156 8753 87 CHINAMOBILE-CN China Mobile Communication
9498 4147 496 267 BBIL-AP BHARTI Airtel Ltd., IN
24560 2842 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45609 1795 813 333 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
4766 1654 5987 923 KIXS-AS-KR Korea Telecom, KR
56046 1581 804 173 CMNET-JIANGSU-AP China Mobile communicati
56041 1544 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 53 CMNET-HUNAN-AP China Mobile communication
7552 1423 606 469 VIETEL-AS-AP Viettel Group, VN
9919 961 170 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 2429 340 611 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 3095 505 CHARTER-20115, US
16509 2183 3520 1252 AMAZON-02, US
11492 1897 131 1025 CABLEONE, US
714 1200 4391 8 APPLE-ENGINEERING, US
8075 713 16017 604 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 644 1948 303 TWC-10796-MIDWEST, US
12083 447 191 84 WOW-INTERNET, US
2152 383 39 259 CENIC-2152, US
33363 383 1416 210 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 2217 1997 787 ROSTELECOM-AS, RU
9198 1041 355 113 KAZTELECOM-AS, KZ
49505 854 92 355 SELECTEL, RU
25019 765 643 294 SAUDINETSTC-AS, SA
50010 661 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 575 36 255 TIMEWEB-AS, RU
9155 431 37 9 QNET Kuwait, KW
42772 374 63 104 A1-BY-AS, BY
20940 351 3388 44 AKAMAI-ASN1, NL
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 2504 807 395 UNINET, MX
7738 605 1807 67 V tal, BR
8167 318 1083 46 V tal, BR
1916 236 178 41 Rede Nacional de Ensino e Pesquisa, BR
28201 218 16 28 Companhia Itabirana Telecomunicacoes Ltda
28391 157 10 69 Universidad Juarez Autonoma de Tabasco, M
52251 139 6 9 NORTECH, AR
11014 131 10 26 CPS, AR
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11340 108 9 52 Red Universitaria Nacional, CL
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 558 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
36873 198 83 44 VNL1-AS, NG
15399 152 32 34 WANANCHI-, KE
37075 78 248 27 ZAINUGAS, UG
30999 74 25 33 EMTEL-AS-AP, MU
8094 47 48 18 PUKNET, ZA
37315 46 10 5 CipherWave, ZA
37182 36 8 1 TERNET, TZ
37215 34 8 1 MAREN, MW
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 10156 8753 87 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4147 496 267 BBIL-AP BHARTI Airtel Ltd., IN
24560 2842 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
8151 2504 807 395 UNINET, MX
30036 2429 340 611 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 3095 505 CHARTER-20115, US
12389 2217 1997 787 ROSTELECOM-AS, RU
16509 2183 3520 1252 AMAZON-02, US
11492 1897 131 1025 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 4147 3880 BBIL-AP BHARTI Airtel Ltd., IN
24560 2842 2313 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
8151 2504 2109 UNINET, MX
30036 2429 1818 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 1727 CHARTER-20115, US
56041 1544 1470 CMNET-ZHEJIANG-AP China Mobile communications c
45609 1795 1462 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56047 1504 1451 CMNET-HUNAN-AP China Mobile communications corp
12389 2217 1430 ROSTELECOM-AS, RU
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
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
45.127.96.0/22 Origin: 55933 CLOUDIE-AS-AP Cloudie Limited, HK
45.127.96.0/22 Transit: 6939 HURRICANE, US
45.252.60.0/22 Origin: 997 KLAYER, US
45.252.60.0/22 Transit: 55933 CLOUDIE-AS-AP Cloudie Limited, HK
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
/13:79 /14:166 /15:401 /16:2544 /17:1389 /18:2819
/19:4447 /20:7763 /21:9484 /22:17133 /23:16256 /24:95734
/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 2113 2429 MEDIACOM-ENTERPRISE-BUSINESS, US
11492 1336 1897 CABLEONE, US
8151 1331 2504 UNINET, MX
12389 1321 2217 ROSTELECOM-AS, RU
9198 613 1041 KAZTELECOM-AS, KZ
49505 590 854 SELECTEL, RU
20115 548 2232 CHARTER-20115, US
50010 548 661 NAWRAS-AS Sultanate of Oman, OM
36914 534 558 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:246 2:313 3:95 5:1064 6:4 8:57
12:81 13:87 14:364 15:57 16:59 17:307
18:76 20:23 23:728 24:502 25:2 27:604
31:535 32:2 34:3 35:37 36:1359 37:578
38:530 39:689 40:1 41:318 42:165 43:657
44:18 45:2382 46:747 47:63 49:200 50:324
51:138 52:259 54:41 57:28 58:305 59:425
60:95 61:799 62:595 63:130 64:391 65:177
66:305 67:316 68:68 69:248 70:32 71:79
72:243 74:205 75:66 76:55 77:493 78:442
79:234 80:247 81:349 82:360 83:183 84:180
85:335 86:134 87:304 88:97 89:506 90:132
91:1400 92:438 93:933 94:674 95:1478 96:272
97:146 98:76 99:47 101:498 102:114 103:7843
104:393 105:181 106:289 107:111 108:137 109:420
110:228 111:2097 112:907 113:355 114:800 115:263
116:360 117:1358 118:355 119:289 120:1230 121:412
122:1827 123:481 124:317 125:1587 126:1 128:391
129:57 130:131 131:187 132:44 133:303 134:161
135:25 136:81 137:161 138:323 139:237 140:316
141:200 142:92 143:158 144:120 145:96 146:375
147:252 148:357 149:238 150:272 151:493 152:455
153:36 154:735 155:167 156:433 157:279 158:130
159:389 160:629 161:144 162:261 163:258 164:147
165:213 166:62 167:203 168:485 169:82 170:553
171:145 172:216 173:984 174:123 175:566 176:689
177:574 178:662 179:214 180:465 181:172 182:1599
183:1069 184:133 185:2274 186:233 187:512 188:612
189:320 190:510 191:104 192:1814 193:1124 194:929
195:768 196:260 197:421 198:748 199:530 200:778
201:629 202:2464 203:2198 204:269 205:270 206:339
207:321 208:236 209:308 210:1477 211:1102 212:809
213:550 214:9 216:382 217:554 218:787 219:67
220:554 221:361 222:125 223:1054
End of report
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