[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jan 23 20:16:58 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 23 Jan, 2025
IPv4 BGP Table (R&E) as seen at KREONet2.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 257817
Prefixes after maximum aggregation (per Origin AS): 112138
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135856
Number of IPv4 prefixes with a valid ROA: 114231
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 143567
Total ASes present in the Internet Routing Table: 19984
Prefixes per ASN: 12.90
Origin-only ASes present in the Internet Routing Table: 17140
Origin ASes announcing only one prefix: 7620
Transit ASes present in the Internet Routing Table: 2844
Transit-only ASes present in the Internet Routing Table: 743
Paths with bogon ASNs present in the IPv4 Routing Table: 6
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 38
Max AS path prepend of ASN ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 312
Number of instances of unregistered ASNs: 313
Number of 32-bit ASNs allocated by the RIRs: 46064
Number of 32-bit ASNs visible in the Routing Table: 7825
Prefixes from 32-bit ASNs in the Routing Table: 30075
Number of bogon 32-bit ASNs visible in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 1532378365
Equivalent to 91 /8s, 86 /16s and 60 /24s
Percentage of available address space announced: 41.4
Percentage of allocated address space announced: 41.4
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: 81695
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31856
Total APNIC prefixes after maximum aggregation: 7721
APNIC Deaggregation factor: 4.13
Prefixes being announced from the APNIC address blocks: 30549
Unique aggregates announced from the APNIC address blocks: 8092
APNIC Region origin ASes present in the Internet Routing Table: 1105
APNIC Prefixes per ASN: 27.65
APNIC Region origin ASes announcing only one prefix: 423
APNIC Region transit ASes present in the Internet Routing Table: 224
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 484
Number of APNIC addresses announced to Internet: 170716012
Equivalent to 10 /8s, 44 /16s and 235 /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: 119239
Total ARIN prefixes after maximum aggregation: 61375
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117351
Unique aggregates announced from the ARIN address blocks: 62754
ARIN Region origin ASes present in the Internet Routing Table: 9018
ARIN Prefixes per ASN: 13.01
ARIN Region origin ASes announcing only one prefix: 3768
ARIN Region transit ASes present in the Internet Routing Table: 844
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2038
Number of ARIN addresses announced to Internet: 958568065
Equivalent to 57 /8s, 34 /16s and 150 /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: 45421
Total RIPE prefixes after maximum aggregation: 24857
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 46994
Unique aggregates announced from the RIPE address blocks: 34870
RIPE Region origin ASes present in the Internet Routing Table: 4384
RIPE Prefixes per ASN: 10.72
RIPE Region origin ASes announcing only one prefix: 1833
RIPE Region transit ASes present in the Internet Routing Table: 657
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1756
Number of RIPE addresses announced to Internet: 262598864
Equivalent to 15 /8s, 166 /16s and 240 /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: 50241
Total LACNIC prefixes after maximum aggregation: 15061
LACNIC Deaggregation factor: 3.34
Prefixes being announced from the LACNIC address blocks: 49000
Unique aggregates announced from the LACNIC address blocks: 23115
LACNIC Region origin ASes present in the Internet Routing Table: 4285
LACNIC Prefixes per ASN: 11.44
LACNIC Region origin ASes announcing only one prefix: 1466
LACNIC Region transit ASes present in the Internet Routing Table: 894
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3384
Number of LACNIC addresses announced to Internet: 99987264
Equivalent to 5 /8s, 245 /16s and 175 /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: 10748
Total AfriNIC prefixes after maximum aggregation: 2903
AfriNIC Deaggregation factor: 3.70
Prefixes being announced from the AfriNIC address blocks: 13764
Unique aggregates announced from the AfriNIC address blocks: 6893
AfriNIC Region origin ASes present in the Internet Routing Table: 316
AfriNIC Prefixes per ASN: 43.56
AfriNIC Region origin ASes announcing only one prefix: 130
AfriNIC Region transit ASes present in the Internet Routing Table: 87
Average AfriNIC Region AS path length visible: 6.4
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 163
Number of AfriNIC addresses announced to Internet: 40435456
Equivalent to 2 /8s, 104 /16s and 255 /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 10153 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1570 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 825 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
17561 659 42 398 LCS-AS-AP LARUS Limited, HK
2907 642 2202 464 SINET-AS Research Organization of Informa
17676 481 9343 152 GIGAINFRA SoftBank Corp., JP
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 12608 38856 3717 AMAZON-02, US
22773 3376 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2537 3016 1214 DNIC-ASBLK-00306-00371, US
7018 2513 23069 1777 ATT-INTERNET4, US
4155 2323 165 1414 USDA-1, US
36352 1997 171 873 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1757 3432 450 CELLCO-PART, US
209 1660 4893 288 CENTURYLINK-US-LEGACY-QWEST, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 1936 130 50 ALJAWWALSTC-AS, SA
20940 1250 97 1000 AKAMAI-ASN1, NL
3215 890 4810 290 France Telecom - Orange, FR
3257 793 2069 695 GTT-BACKBONE GTT, US
8452 627 1756 124 TE-AS TE-AS, EG
25019 616 1007 132 SAUDINETSTC-AS, SA
8376 588 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 535 38 478 CDNEXT, GB
47524 480 70 217 AS-TURKSAT, TR
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 6154 1749 785 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1682 251 1193 Telmex Colombia S.A., CO
3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1105 371 22 Telefonica del Peru S.A.A., PE
26615 1002 2503 53 TIM SA, BR
18881 869 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 49 ENTEL CHILE S.A., CL
28006 640 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 558 2888 72 TELEFONICA BRASIL S.A, BR
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1542 389 18 LINKdotNET-AS, EG
29571 1153 79 406 ORANGE-COTE-IVOIRE, CI
20011 971 179 275 INTERNET-SOLUTIONS, ZA
36992 637 1225 129 ETISALAT-MISR, EG
24835 623 342 104 RAYA-AS, EG
37069 606 1031 15 MOBINIL, EG
36914 551 82 3 KENET-AS, KE
36935 506 113 144 Vodafone-, EG
36903 447 210 308 MT-MPLS, MA
2018 379 319 71 TENET-1, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 12608 38856 3717 AMAZON-02, US
9808 10153 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6154 1749 785 UNINET, MX
22773 3376 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2537 3016 1214 DNIC-ASBLK-00306-00371, US
7018 2513 23069 1777 ATT-INTERNET4, US
4155 2323 165 1414 USDA-1, US
36352 1997 171 873 AS-COLOCROSSING, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 10153 10066 CHINAMOBILE-CN China Mobile Communications Grou
8151 6154 5369 UNINET, MX
22773 3376 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
24863 1542 1524 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
56046 1570 1391 CMNET-JIANGSU-AP China Mobile communications co
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
53966 UNALLOCATED 8.39.98.0/24 3356 LEVEL3, US
1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US
22542 UNALLOCATED 8.42.195.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US
399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US
396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 3356 LEVEL3, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:13 /9:10 /10:29 /11:39 /12:146
/13:211 /14:566 /15:1094 /16:7544 /17:3413 /18:4127
/19:7551 /20:12237 /21:15133 /22:27372 /23:27500 /24:150636
/25:43 /26:68 /27:38 /28:17 /29:16 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3244 6154 UNINET, MX
22773 2516 3376 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2243 12608 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
7018 988 2513 ATT-INTERNET4, US
209 946 1660 CENTURYLINK-US-LEGACY-QWEST, US
10620 935 1682 Telmex Colombia S.A., CO
19901 905 1108 BRSPD-PUBLIC, US
11776 895 1888 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:60 2:476 3:552 4:5 5:771 6:152
7:5 8:661 11:171 12:978 13:299 14:116
15:295 16:234 17:5 18:872 20:172 21:4
22:188 23:2339 24:690 27:37 29:19 31:440
32:19 34:7 35:108 36:1227 37:566 38:2103
39:540 40:53 41:1052 42:209 43:175 44:33
45:3809 46:952 47:88 49:29 50:338 51:373
52:1385 54:286 55:1023 56:9 57:16 58:32
59:28 60:16 61:76 62:535 63:766 64:1809
65:1094 66:1527 67:938 68:434 69:1177 70:432
71:205 72:668 74:909 75:430 76:254 77:442
78:296 79:280 80:268 81:338 82:334 83:195
84:328 85:470 86:215 87:229 88:261 89:639
90:62 91:976 92:630 93:456 94:870 95:585
96:218 97:55 98:474 99:162 100:36 101:28
102:327 103:896 104:1113 105:210 106:36 107:1414
108:490 109:382 110:32 111:1910 112:458 113:39
114:50 115:24 116:58 117:1048 118:180 119:131
120:1165 121:40 122:124 123:150 124:54 125:24
128:450 129:276 130:658 131:928 132:569 133:211
134:462 135:113 136:585 137:539 138:1005 139:389
140:695 141:338 142:912 143:674 144:405 145:74
146:634 147:491 148:761 149:637 150:369 151:669
152:696 153:130 154:1424 155:771 156:1350 157:366
158:483 159:694 160:914 161:588 162:917 163:356
164:723 165:800 166:610 167:640 168:1555 169:147
170:1623 171:100 172:1160 173:760 174:231 175:33
176:402 177:1295 178:488 179:817 180:73 181:1901
182:36 183:874 184:456 185:3151 186:2388 187:1264
188:770 189:1513 190:5003 191:496 192:4918 193:1699
194:1133 195:871 196:733 197:1678 198:2558 199:4608
200:3929 201:3316 202:1038 203:686 204:2056 205:1972
206:1570 207:1438 208:1293 209:1898 210:296 211:427
212:962 213:733 214:1006 215:36 216:2416 217:418
218:521 219:22 220:27 221:301 222:30 223:732
End of report
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