[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Feb 8 20:32:00 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Sat 08 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: 159008
Prefixes after maximum aggregation (per Origin AS): 63391
Deaggregation factor: 2.51
Unique aggregates announced (without unneeded subnets): 89965
Number of IPv4 prefixes with a valid ROA: 87493
Number of IPv4 prefixes with an invalid ROA: 55
Number of IPv4 prefixes with no ROA: 71460
Total ASes present in the Internet Routing Table: 14702
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 12388
Origin ASes announcing only one prefix: 5939
Transit ASes present in the Internet Routing Table: 2314
Transit-only ASes present in the Internet Routing Table: 524
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: 46088
Number of 32-bit ASNs visible in the Routing Table: 7224
Prefixes from 32-bit ASNs in the Routing Table: 29840
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: 42
Number of addresses announced to Internet: 515233280
Equivalent to 30 /8s, 181 /16s and 214 /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: 39315
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 76212
Total APNIC prefixes after maximum aggregation: 24754
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 74458
Unique aggregates announced from the APNIC address blocks: 35601
APNIC Region origin ASes present in the Internet Routing Table: 4844
APNIC Prefixes per ASN: 15.37
APNIC Region origin ASes announcing only one prefix: 1775
APNIC Region transit ASes present in the Internet Routing Table: 735
Average APNIC Region AS path length visible: 7.5
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3123
Number of APNIC addresses announced to Internet: 192313856
Equivalent to 11 /8s, 118 /16s and 122 /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, 131072-153913
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: 27004
Total ARIN prefixes after maximum aggregation: 14611
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26389
Unique aggregates announced from the ARIN address blocks: 20777
ARIN Region origin ASes present in the Internet Routing Table: 2164
ARIN Prefixes per ASN: 12.19
ARIN Region origin ASes announcing only one prefix: 1009
ARIN Region transit ASes present in the Internet Routing Table: 234
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: 467
Number of ARIN addresses announced to Internet: 164155136
Equivalent to 9 /8s, 200 /16s and 207 /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: 40545
Total RIPE prefixes after maximum aggregation: 18916
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 41037
Unique aggregates announced from the RIPE address blocks: 25141
RIPE Region origin ASes present in the Internet Routing Table: 4718
RIPE Prefixes per ASN: 8.70
RIPE Region origin ASes announcing only one prefix: 2185
RIPE Region transit ASes present in the Internet Routing Table: 686
Average RIPE Region AS path length visible: 6.2
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1635
Number of RIPE addresses announced to Internet: 126846720
Equivalent to 7 /8s, 143 /16s and 135 /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: 13293
Total LACNIC prefixes after maximum aggregation: 4582
LACNIC Deaggregation factor: 2.90
Prefixes being announced from the LACNIC address blocks: 13287
Unique aggregates announced from the LACNIC address blocks: 6332
LACNIC Region origin ASes present in the Internet Routing Table: 2302
LACNIC Prefixes per ASN: 5.77
LACNIC Region origin ASes announcing only one prefix: 928
LACNIC Region transit ASes present in the Internet Routing Table: 519
Average LACNIC Region AS path length visible: 7.1
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1935
Number of LACNIC addresses announced to Internet: 25352960
Equivalent to 1 /8s, 130 /16s and 219 /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: 1897
Total AfriNIC prefixes after maximum aggregation: 480
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 3795
Unique aggregates announced from the AfriNIC address blocks: 2080
AfriNIC Region origin ASes present in the Internet Routing Table: 128
AfriNIC Prefixes per ASN: 29.65
AfriNIC Region origin ASes announcing only one prefix: 42
AfriNIC Region transit ASes present in the Internet Routing Table: 38
Average AfriNIC Region AS path length visible: 7.3
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: 6537472
Equivalent to 0 /8s, 99 /16s and 193 /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 10157 8753 87 CHINAMOBILE-CN China Mobile Communication
9498 4153 496 264 BBIL-AP BHARTI Airtel Ltd., IN
24560 2839 853 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 1918 1038 433 VIETEL-AS-AP Viettel Group, VN
45609 1788 810 332 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1578 804 173 CMNET-JIANGSU-AP China Mobile communicati
56041 1544 725 74 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
9919 962 170 65 NCIC-TW New Century InfoComm Tech Co., Lt
24547 824 176 58 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
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 2422 340 609 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2231 3095 505 CHARTER-20115, US
16509 2171 3513 1245 AMAZON-02, US
11492 1895 131 1023 CABLEONE, US
714 1208 4391 8 APPLE-ENGINEERING, US
8075 707 16016 598 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 648 1950 307 TWC-10796-MIDWEST, US
12083 444 191 84 WOW-INTERNET, US
33363 385 1416 211 BHN-33363, US
2152 378 39 255 CENIC-2152, 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 2214 1997 786 ROSTELECOM-AS, RU
9198 1041 355 113 KAZTELECOM-AS, KZ
49505 854 92 355 SELECTEL, RU
25019 739 627 282 SAUDINETSTC-AS, SA
50010 612 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 571 36 255 TIMEWEB-AS, RU
9155 429 37 9 QNET Kuwait, KW
42772 374 63 104 A1-BY-AS, BY
20940 350 3388 42 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 2652 820 375 UNINET, MX
7738 605 1807 67 V tal, BR
8167 318 1083 46 V tal, BR
1916 235 178 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 133 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 552 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
36873 198 83 44 VNL1-AS, NG
37075 78 248 27 ZAINUGAS, UG
30999 74 25 33 EMTEL-AS-AP, MU
15399 55 6 27 WANANCHI-, KE
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 10157 8753 87 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4153 496 264 BBIL-AP BHARTI Airtel Ltd., IN
24560 2839 853 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
8151 2652 820 375 UNINET, MX
30036 2422 340 609 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2231 3095 505 CHARTER-20115, US
12389 2214 1997 786 ROSTELECOM-AS, RU
16509 2171 3513 1245 AMAZON-02, US
7552 1918 1038 433 VIETEL-AS-AP Viettel Group, VN
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 4153 3889 BBIL-AP BHARTI Airtel Ltd., IN
24560 2839 2306 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
8151 2652 2277 UNINET, MX
30036 2422 1813 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2231 1726 CHARTER-20115, US
7552 1918 1485 VIETEL-AS-AP Viettel Group, VN
56041 1544 1470 CMNET-ZHEJIANG-AP China Mobile communications c
45609 1788 1456 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56047 1504 1452 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
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
267285 UNALLOCATED 45.232.247.0/24 263025 ISPTEC Sistemas de Comu
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
23.133.205.0/24 Origin: 23506 TMW, US
23.133.205.0/24 Transit: 215828 TMW-GLOBAL-NETWORKS TMW Global Networks,
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: 51847 NEAROUTE, 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 /12:49
/13:76 /14:171 /15:402 /16:2561 /17:1380 /18:2854
/19:4447 /20:7778 /21:9726 /22:17086 /23:16277 /24:96171
/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 2106 2422 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 1397 2652 UNINET, MX
11492 1336 1895 CABLEONE, US
12389 1319 2214 ROSTELECOM-AS, RU
9198 613 1041 KAZTELECOM-AS, KZ
49505 590 854 SELECTEL, RU
20115 548 2231 CHARTER-20115, US
36914 528 552 KENET-AS, KE
50010 510 612 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)
----------------------------------------------
1:230 2:309 3:95 5:1059 6:4 8:54
12:84 13:86 14:305 15:57 16:56 17:308
18:101 20:23 23:744 24:505 25:2 27:608
31:524 32:2 34:3 35:37 36:1369 37:630
38:515 39:729 40:1 41:308 42:170 43:652
44:19 45:2346 46:749 47:63 49:187 50:327
51:138 52:258 54:41 57:28 58:337 59:463
60:95 61:719 62:566 63:131 64:402 65:176
66:306 67:318 68:70 69:255 70:32 71:80
72:276 74:213 75:63 76:55 77:468 78:443
79:210 80:255 81:349 82:360 83:185 84:179
85:311 86:135 87:303 88:97 89:505 90:130
91:1398 92:436 93:926 94:686 95:1476 96:272
97:146 98:76 99:47 101:419 102:129 103:8076
104:396 105:181 106:288 107:112 108:138 109:407
110:227 111:2304 112:863 113:367 114:712 115:312
116:424 117:1360 118:389 119:457 120:1225 121:325
122:1765 123:479 124:341 125:1581 126:1 128:372
129:58 130:130 131:189 132:49 133:306 134:168
135:25 136:78 137:160 138:333 139:255 140:313
141:241 142:109 143:157 144:123 145:98 146:377
147:243 148:383 149:236 150:267 151:493 152:472
153:36 154:1101 155:182 156:504 157:271 158:129
159:395 160:629 161:141 162:262 163:246 164:145
165:203 166:62 167:201 168:479 169:88 170:610
171:184 172:216 173:980 174:124 175:554 176:685
177:576 178:664 179:228 180:468 181:168 182:1944
183:1050 184:133 185:2278 186:233 187:536 188:612
189:321 190:507 191:111 192:1805 193:1219 194:972
195:782 196:240 197:387 198:754 199:550 200:715
201:648 202:2519 203:2036 204:283 205:272 206:377
207:318 208:238 209:305 210:1204 211:793 212:781
213:552 214:9 216:405 217:558 218:719 219:70
220:338 221:361 222:100 223:1016
End of report
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