[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 12 20:31:57 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 12 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: 156518
Prefixes after maximum aggregation (per Origin AS): 63089
Deaggregation factor: 2.48
Unique aggregates announced (without unneeded subnets): 88758
Number of IPv4 prefixes with a valid ROA: 84533
Number of IPv4 prefixes with an invalid ROA: 60
Number of IPv4 prefixes with no ROA: 71925
Total ASes present in the Internet Routing Table: 14561
Prefixes per ASN: 10.75
Origin-only ASes present in the Internet Routing Table: 12285
Origin ASes announcing only one prefix: 5931
Transit ASes present in the Internet Routing Table: 2276
Transit-only ASes present in the Internet Routing Table: 517
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: 56
Number of instances of unregistered ASNs: 73
Number of 32-bit ASNs allocated by the RIRs: 46121
Number of 32-bit ASNs visible in the Routing Table: 7132
Prefixes from 32-bit ASNs in the Routing Table: 29083
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: 41
Number of addresses announced to Internet: 512278784
Equivalent to 30 /8s, 136 /16s and 193 /24s
Percentage of available address space announced: 13.8
Percentage of allocated address space announced: 13.8
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: 39226
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 74072
Total APNIC prefixes after maximum aggregation: 24747
APNIC Deaggregation factor: 2.99
Prefixes being announced from the APNIC address blocks: 72573
Unique aggregates announced from the APNIC address blocks: 34973
APNIC Region origin ASes present in the Internet Routing Table: 4781
APNIC Prefixes per ASN: 15.18
APNIC Region origin ASes announcing only one prefix: 1766
APNIC Region transit ASes present in the Internet Routing Table: 720
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: 3050
Number of APNIC addresses announced to Internet: 189798144
Equivalent to 11 /8s, 80 /16s and 23 /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: 26730
Total ARIN prefixes after maximum aggregation: 14452
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 26034
Unique aggregates announced from the ARIN address blocks: 20519
ARIN Region origin ASes present in the Internet Routing Table: 2129
ARIN Prefixes per ASN: 12.23
ARIN Region origin ASes announcing only one prefix: 1011
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: 465
Number of ARIN addresses announced to Internet: 163863296
Equivalent to 9 /8s, 196 /16s and 91 /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: 40376
Total RIPE prefixes after maximum aggregation: 18766
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 40868
Unique aggregates announced from the RIPE address blocks: 24921
RIPE Region origin ASes present in the Internet Routing Table: 4682
RIPE Prefixes per ASN: 8.73
RIPE Region origin ASes announcing only one prefix: 2170
RIPE Region transit ASes present in the Internet Routing Table: 683
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: 1626
Number of RIPE addresses announced to Internet: 126822656
Equivalent to 7 /8s, 143 /16s and 41 /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: 13376
Total LACNIC prefixes after maximum aggregation: 4589
LACNIC Deaggregation factor: 2.91
Prefixes being announced from the LACNIC address blocks: 13379
Unique aggregates announced from the LACNIC address blocks: 6307
LACNIC Region origin ASes present in the Internet Routing Table: 2306
LACNIC Prefixes per ASN: 5.80
LACNIC Region origin ASes announcing only one prefix: 942
LACNIC Region transit ASes present in the Internet Routing Table: 503
Average LACNIC Region AS path length visible: 7.1
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1927
Number of LACNIC addresses announced to Internet: 25346816
Equivalent to 1 /8s, 130 /16s and 195 /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: 1908
Total AfriNIC prefixes after maximum aggregation: 488
AfriNIC Deaggregation factor: 3.91
Prefixes being announced from the AfriNIC address blocks: 3623
Unique aggregates announced from the AfriNIC address blocks: 2005
AfriNIC Region origin ASes present in the Internet Routing Table: 125
AfriNIC Prefixes per ASN: 28.98
AfriNIC Region origin ASes announcing only one prefix: 42
AfriNIC Region transit ASes present in the Internet Routing Table: 37
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: 6420992
Equivalent to 0 /8s, 97 /16s and 250 /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 10158 8753 87 CHINAMOBILE-CN China Mobile Communication
9498 4154 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2836 852 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45609 1794 811 334 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
7552 1417 606 465 VIETEL-AS-AP Viettel Group, VN
4766 968 5904 636 KIXS-AS-KR Korea Telecom, KR
9919 962 170 65 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 2430 341 607 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 3095 505 CHARTER-20115, US
16509 2174 3514 1248 AMAZON-02, US
11492 1898 131 1026 CABLEONE, US
714 1207 4391 8 APPLE-ENGINEERING, US
8075 709 16016 599 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 645 1950 304 TWC-10796-MIDWEST, US
12083 444 191 84 WOW-INTERNET, US
33363 383 1416 210 BHN-33363, US
2152 381 39 258 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 661 76 11 NAWRAS-AS Sultanate of Oman, OM
9123 573 36 254 TIMEWEB-AS, RU
9155 431 37 9 QNET Kuwait, KW
42772 374 63 104 A1-BY-AS, BY
20940 352 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 2665 820 383 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 132 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 553 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
15399 75 7 38 WANANCHI-, KE
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 10158 8753 87 CHINAMOBILE-CN China Mobile Communication
39891 4179 255 52 ALJAWWALSTC-AS, SA
9498 4154 497 265 BBIL-AP BHARTI Airtel Ltd., IN
24560 2836 852 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
8151 2665 820 383 UNINET, MX
30036 2430 341 607 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 3095 505 CHARTER-20115, US
12389 2214 1997 786 ROSTELECOM-AS, RU
16509 2174 3514 1248 AMAZON-02, US
11492 1898 131 1026 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 4154 3889 BBIL-AP BHARTI Airtel Ltd., IN
24560 2836 2306 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
8151 2665 2282 UNINET, MX
30036 2430 1823 MEDIACOM-ENTERPRISE-BUSINESS, US
20115 2232 1727 CHARTER-20115, US
56041 1544 1470 CMNET-ZHEJIANG-AP China Mobile communications c
45609 1794 1460 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
12389 2214 1428 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
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
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
103.12.68.0/24 Origin: 152194 CTGSERVERLIMITED-AS-AP CTG Server Limite
103.12.68.0/24 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 /12:48
/13:76 /14:166 /15:403 /16:2538 /17:1376 /18:2819
/19:4427 /20:7703 /21:9540 /22:16991 /23:16235 /24:94166
/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 2114 2430 MEDIACOM-ENTERPRISE-BUSINESS, US
8151 1406 2665 UNINET, MX
11492 1336 1898 CABLEONE, US
12389 1319 2214 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 529 553 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/PREGINET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:245 2:310 3:95 5:1065 6:4 8:55
12:81 13:86 14:329 15:57 16:56 17:309
18:76 20:23 23:730 24:505 25:2 27:578
31:531 32:2 34:3 35:37 36:1364 37:576
38:494 39:688 40:1 41:298 42:166 43:633
44:17 45:2363 46:751 47:63 49:190 50:322
51:138 52:258 54:41 57:28 58:289 59:398
60:95 61:739 62:585 63:131 64:395 65:173
66:305 67:316 68:70 69:253 70:31 71:80
72:242 74:203 75:63 76:55 77:474 78:443
79:235 80:247 81:349 82:356 83:184 84:176
85:308 86:135 87:300 88:97 89:507 90:131
91:1402 92:435 93:930 94:682 95:1473 96:272
97:146 98:77 99:47 101:425 102:130 103:7722
104:394 105:181 106:287 107:110 108:138 109:407
110:214 111:2093 112:882 113:359 114:745 115:249
116:357 117:1314 118:343 119:294 120:1227 121:355
122:1769 123:477 124:310 125:1580 126:1 128:377
129:58 130:129 131:190 132:44 133:303 134:167
135:25 136:78 137:156 138:329 139:233 140:315
141:197 142:92 143:154 144:116 145:96 146:378
147:243 148:369 149:237 150:269 151:493 152:461
153:36 154:912 155:167 156:493 157:275 158:129
159:390 160:613 161:139 162:258 163:250 164:144
165:208 166:62 167:203 168:484 169:82 170:557
171:148 172:217 173:982 174:124 175:549 176:686
177:585 178:657 179:213 180:463 181:170 182:1588
183:1054 184:133 185:2272 186:226 187:530 188:612
189:320 190:500 191:107 192:1814 193:1143 194:944
195:773 196:241 197:389 198:746 199:536 200:779
201:654 202:2401 203:2020 204:270 205:271 206:338
207:315 208:235 209:307 210:1315 211:908 212:791
213:550 214:9 216:384 217:552 218:739 219:65
220:424 221:339 222:126 223:979
End of report
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