[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PREGINET (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 21 20:31:40 UTC 2025
IPv4 R&E Routing Table Report 20:30 GMT Wed 21 May, 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: 159380
Prefixes after maximum aggregation (per Origin AS): 63302
Deaggregation factor: 2.52
Unique aggregates announced (without unneeded subnets): 89789
Number of IPv4 prefixes with a valid ROA: 87443
Number of IPv4 prefixes with an invalid ROA: 83
Number of IPv4 prefixes with no ROA: 71854
Total ASes present in the Internet Routing Table: 14630
Prefixes per ASN: 10.89
Origin-only ASes present in the Internet Routing Table: 12378
Origin ASes announcing only one prefix: 5976
Transit ASes present in the Internet Routing Table: 2252
Transit-only ASes present in the Internet Routing Table: 514
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: 46478
Number of 32-bit ASNs visible in the Routing Table: 7231
Prefixes from 32-bit ASNs in the Routing Table: 29502
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: 41
Number of addresses announced to Internet: 506556672
Equivalent to 30 /8s, 49 /16s and 113 /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: 38744
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 78902
Total APNIC prefixes after maximum aggregation: 25280
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 77211
Unique aggregates announced from the APNIC address blocks: 36706
APNIC Region origin ASes present in the Internet Routing Table: 5026
APNIC Prefixes per ASN: 15.36
APNIC Region origin ASes announcing only one prefix: 1865
APNIC Region transit ASes present in the Internet Routing Table: 740
Average APNIC Region AS path length visible: 7.4
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3219
Number of APNIC addresses announced to Internet: 189665024
Equivalent to 11 /8s, 78 /16s and 15 /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: 26919
Total ARIN prefixes after maximum aggregation: 14682
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 26469
Unique aggregates announced from the ARIN address blocks: 20483
ARIN Region origin ASes present in the Internet Routing Table: 2121
ARIN Prefixes per ASN: 12.48
ARIN Region origin ASes announcing only one prefix: 991
ARIN Region transit ASes present in the Internet Routing Table: 217
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: 465
Number of ARIN addresses announced to Internet: 167451392
Equivalent to 9 /8s, 251 /16s and 27 /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: 39680
Total RIPE prefixes after maximum aggregation: 18522
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 40528
Unique aggregates announced from the RIPE address blocks: 25302
RIPE Region origin ASes present in the Internet Routing Table: 4613
RIPE Prefixes per ASN: 8.79
RIPE Region origin ASes announcing only one prefix: 2141
RIPE Region transit ASes present in the Internet Routing Table: 668
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: 1616
Number of RIPE addresses announced to Internet: 125376000
Equivalent to 7 /8s, 121 /16s and 22 /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: 12289
Total LACNIC prefixes after maximum aggregation: 4396
LACNIC Deaggregation factor: 2.80
Prefixes being announced from the LACNIC address blocks: 11735
Unique aggregates announced from the LACNIC address blocks: 5618
LACNIC Region origin ASes present in the Internet Routing Table: 2236
LACNIC Prefixes per ASN: 5.25
LACNIC Region origin ASes announcing only one prefix: 940
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: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1883
Number of LACNIC addresses announced to Internet: 18129920
Equivalent to 1 /8s, 20 /16s and 164 /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: 1521
Total AfriNIC prefixes after maximum aggregation: 373
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 3396
Unique aggregates announced from the AfriNIC address blocks: 1650
AfriNIC Region origin ASes present in the Internet Routing Table: 101
AfriNIC Prefixes per ASN: 33.62
AfriNIC Region origin ASes announcing only one prefix: 39
AfriNIC Region transit ASes present in the Internet Routing Table: 32
Average AfriNIC Region AS path length visible: 7.1
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 48
Number of AfriNIC addresses announced to Internet: 5904384
Equivalent to 0 /8s, 90 /16s and 24 /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 10915 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4224 500 293 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
7552 2138 1078 454 VIETEL-AS-AP Viettel Group, VN
45609 1849 824 323 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd.
56046 1844 812 180 CMNET-JIANGSU-AP China Mobile communicati
4766 1811 6006 942 KIXS-AS-KR Korea Telecom, KR
56041 1591 726 76 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1485 192 53 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 2390 330 717 MEDIACOM-ENTERPRISE-BUSINESS, US
16509 2237 3629 1282 AMAZON-02, US
20115 2234 3096 513 CHARTER-20115, US
11492 1933 134 1044 CABLEONE, US
714 1238 4391 8 APPLE-ENGINEERING, US
8075 756 16021 638 MICROSOFT-CORP-MSN-AS-BLOCK, US
10796 638 1880 300 TWC-10796-MIDWEST, US
12083 580 192 88 WOW-INTERNET, US
2152 396 44 265 CENIC-2152, US
33363 386 1422 213 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 2311 1999 780 ROSTELECOM-AS PJSC Rostelecom. Technical
25019 921 639 339 SAUDINETSTC-AS, SA
49505 861 92 357 SELECTEL, RU
9123 637 40 285 TIMEWEB-AS, RU
50010 617 76 11 NAWRAS-AS Sultanate of Oman, OM
9198 483 188 175 KAZTELECOM-AS, KZ
9155 428 37 9 QNET Kuwait, KW
21299 393 78 61 KAR-TEL-AS Almaty, Republic of Kazakhstan
42772 373 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 1976 682 261 UNINET, MX
7738 551 1703 62 V tal, BR
8167 342 1089 44 V tal, BR
1916 242 177 40 Rede Nacional de Ensino e Pesquisa, BR
28201 219 16 28 Companhia Itabirana Telecomunicacoes Ltda
271640 129 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
11014 127 10 26 CPS, AR
11340 110 25 52 Red Universitaria Nacional, CL
19089 107 18 45 Scala Data Centers, BR
262773 93 16 34 PROXXIMA TELECOMUNICACOES SA, 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 543 82 3 KENET-AS, KE
2018 363 312 66 TENET-1, ZA
30999 74 25 32 EMTEL-AS-AP, MU
15399 71 6 26 WANANCHI-, KE
23889 49 27 29 MauritiusTelecom, MU
8094 47 48 18 PUKNET, ZA
37215 36 8 1 MAREN, MW
10798 29 2 23 SBICSA, ZA
6879 24 2 9 ENSTINET-, EG
327885 20 4 2 Viettel-Tanzania, TZ
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 10915 8756 95 CHINAMOBILE-CN China Mobile Communication
9498 4224 500 293 BBIL-AP BHARTI Airtel Ltd., IN
39891 4179 255 52 ALJAWWALSTC-AS, SA
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
30036 2390 330 717 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 2311 1999 780 ROSTELECOM-AS PJSC Rostelecom. Technical
16509 2237 3629 1282 AMAZON-02, US
20115 2234 3096 513 CHARTER-20115, US
7552 2138 1078 454 VIETEL-AS-AP Viettel Group, VN
8151 1976 682 261 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 4179 4127 ALJAWWALSTC-AS, SA
9498 4224 3931 BBIL-AP BHARTI Airtel Ltd., IN
24560 2865 2331 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telem
20115 2234 1721 CHARTER-20115, US
8151 1976 1715 UNINET, MX
7552 2138 1684 VIETEL-AS-AP Viettel Group, VN
30036 2390 1673 MEDIACOM-ENTERPRISE-BUSINESS, US
56046 1844 1664 CMNET-JIANGSU-AP China Mobile communications co
12389 2311 1531 ROSTELECOM-AS PJSC Rostelecom. Technical Team,
45609 1849 1526 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for
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
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
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 /14:166 /15:397 /16:2475 /17:1352 /18:2795
/19:4433 /20:7674 /21:9510 /22:17320 /23:16516 /24:96583
/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 2075 2390 MEDIACOM-ENTERPRISE-BUSINESS, US
12389 1404 2311 ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
11492 1325 1933 CABLEONE, US
8151 1095 1976 UNINET, MX
49505 597 861 SELECTEL, RU
20115 551 2234 CHARTER-20115, US
36914 519 543 KENET-AS, KE
9123 517 637 TIMEWEB-AS, RU
50010 515 617 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)
----------------------------------------------
1:162 2:323 3:104 5:1092 8:79 12:78
13:89 14:380 15:58 16:63 17:325 18:74
20:28 23:710 24:595 25:2 27:627 31:531
32:2 34:3 35:37 36:1870 37:617 38:534
39:704 40:1 41:244 42:115 43:678 44:23
45:2328 46:773 47:64 49:258 50:312 51:138
52:259 54:62 57:28 58:263 59:445 60:95
61:772 62:550 63:129 64:348 65:283 66:301
67:292 68:72 69:262 70:29 71:84 72:226
74:197 75:65 76:62 77:482 78:455 79:240
80:224 81:345 82:346 83:182 84:186 85:372
86:115 87:312 88:98 89:462 90:134 91:1390
92:451 93:945 94:786 95:1472 96:265 97:145
98:67 99:47 101:459 102:116 103:7991 104:368
105:9 106:289 107:108 108:147 109:465 110:228
111:2161 112:965 113:299 114:818 115:356 116:424
117:1371 118:382 119:255 120:1311 121:415 122:1724
123:393 124:329 125:1583 126:6 128:379 129:67
130:125 131:214 132:52 133:302 134:163 135:24
136:78 137:168 138:328 139:219 140:324 141:192
142:77 143:167 144:130 145:136 146:372 147:232
148:197 149:186 150:227 151:525 152:453 153:37
154:924 155:189 156:462 157:286 158:128 159:395
160:654 161:145 162:272 163:310 164:140 165:220
166:44 167:192 168:600 169:68 170:468 171:192
172:224 173:969 174:121 175:551 176:719 177:513
178:685 179:189 180:472 181:126 182:1621 183:1152
184:137 185:2225 186:228 187:503 188:597 189:310
190:477 191:92 192:1839 193:1121 194:908 195:774
196:303 197:366 198:765 199:561 200:785 201:533
202:2508 203:2202 204:288 205:262 206:301 207:319
208:242 209:312 210:1468 211:1157 212:758 213:516
214:2 216:349 217:558 218:808 219:67 220:547
221:398 222:129 223:1125
End of report
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