[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 30 20:16:56 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 30 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: 257134
Prefixes after maximum aggregation (per Origin AS): 111784
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135255
Number of IPv4 prefixes with a valid ROA: 114602
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 142513
Total ASes present in the Internet Routing Table: 20026
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 17200
Origin ASes announcing only one prefix: 7689
Transit ASes present in the Internet Routing Table: 2826
Transit-only ASes present in the Internet Routing Table: 731
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: 293
Number of instances of unregistered ASNs: 294
Number of 32-bit ASNs allocated by the RIRs: 46076
Number of 32-bit ASNs visible in the Routing Table: 7840
Prefixes from 32-bit ASNs in the Routing Table: 29732
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: 147
Number of addresses announced to Internet: 1523565821
Equivalent to 90 /8s, 207 /16s and 196 /24s
Percentage of available address space announced: 41.2
Percentage of allocated address space announced: 41.2
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: 81438
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31779
Total APNIC prefixes after maximum aggregation: 7787
APNIC Deaggregation factor: 4.08
Prefixes being announced from the APNIC address blocks: 30486
Unique aggregates announced from the APNIC address blocks: 8092
APNIC Region origin ASes present in the Internet Routing Table: 1143
APNIC Prefixes per ASN: 26.67
APNIC Region origin ASes announcing only one prefix: 435
APNIC Region transit ASes present in the Internet Routing Table: 226
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 500
Number of APNIC addresses announced to Internet: 169082732
Equivalent to 10 /8s, 19 /16s and 255 /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: 119215
Total ARIN prefixes after maximum aggregation: 61395
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117565
Unique aggregates announced from the ARIN address blocks: 62997
ARIN Region origin ASes present in the Internet Routing Table: 9086
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3830
ARIN Region transit ASes present in the Internet Routing Table: 841
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: 2051
Number of ARIN addresses announced to Internet: 952146817
Equivalent to 56 /8s, 192 /16s and 155 /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: 45370
Total RIPE prefixes after maximum aggregation: 24663
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47005
Unique aggregates announced from the RIPE address blocks: 34577
RIPE Region origin ASes present in the Internet Routing Table: 4364
RIPE Prefixes per ASN: 10.77
RIPE Region origin ASes announcing only one prefix: 1827
RIPE Region transit ASes present in the Internet Routing Table: 653
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 37
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1754
Number of RIPE addresses announced to Internet: 262569936
Equivalent to 15 /8s, 166 /16s and 127 /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: 49978
Total LACNIC prefixes after maximum aggregation: 15052
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 48717
Unique aggregates announced from the LACNIC address blocks: 23306
LACNIC Region origin ASes present in the Internet Routing Table: 4285
LACNIC Prefixes per ASN: 11.37
LACNIC Region origin ASes announcing only one prefix: 1471
LACNIC Region transit ASes present in the Internet Routing Table: 895
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: 3383
Number of LACNIC addresses announced to Internet: 99334464
Equivalent to 5 /8s, 235 /16s and 185 /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: 10499
Total AfriNIC prefixes after maximum aggregation: 2680
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 13214
Unique aggregates announced from the AfriNIC address blocks: 6158
AfriNIC Region origin ASes present in the Internet Routing Table: 292
AfriNIC Prefixes per ASN: 45.25
AfriNIC Region origin ASes announcing only one prefix: 126
AfriNIC Region transit ASes present in the Internet Routing Table: 74
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 152
Number of AfriNIC addresses announced to Internet: 40363008
Equivalent to 2 /8s, 103 /16s and 228 /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 10151 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 651 41 418 LCS-AS-AP LARUS Limited, HK
2907 642 2202 464 SINET-AS Research Organization of Informa
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 465 741 134 ALIBABA-CN-NET Alibaba US Technology Co.,
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 12686 38940 3722 AMAZON-02, US
22773 3378 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2550 3017 1226 DNIC-ASBLK-00306-00371, US
7018 2524 23071 1789 ATT-INTERNET4, US
4155 2341 167 1420 USDA-1, US
36352 2145 179 956 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1740 3431 442 CELLCO-PART, US
209 1683 4892 286 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 1225 95 981 AKAMAI-ASN1, NL
3215 891 4818 289 France Telecom - Orange, FR
3257 791 2069 694 GTT-BACKBONE GTT, US
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 625 1756 123 TE-AS TE-AS, EG
8376 580 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 542 39 479 CDNEXT, GB
47524 479 70 221 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 5876 1678 784 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1763 262 1244 Telmex Colombia S.A., CO
3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1105 371 22 Telefonica del Peru S.A.A., PE
26615 1001 2503 53 TIM SA, BR
18881 868 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 50 ENTEL CHILE S.A., CL
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 560 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 1522 389 16 LINKdotNET-AS, EG
29571 1028 75 388 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 800 381 135 RAYA-AS, EG
37069 640 1031 15 MOBINIL, EG
36992 637 1225 129 ETISALAT-MISR, EG
36935 572 519 46 Vodafone-, EG
36914 546 82 3 KENET-AS, KE
36903 396 185 288 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 12686 38940 3722 AMAZON-02, US
9808 10151 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5876 1678 784 UNINET, MX
22773 3378 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2550 3017 1226 DNIC-ASBLK-00306-00371, US
7018 2524 23071 1789 ATT-INTERNET4, US
4155 2341 167 1420 USDA-1, US
36352 2145 179 956 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 10151 10064 CHINAMOBILE-CN China Mobile Communications Grou
8151 5876 5092 UNINET, MX
22773 3378 3198 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 1522 1506 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1683 1397 CENTURYLINK-US-LEGACY-QWEST, US
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
23.133.108.0/24 Origin: 20473 AS-VULTR, US
23.133.108.0/24 Transit: 2914 NTT-LTD-2914, US
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
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 /11:40 /12:145
/13:207 /14:557 /15:1082 /16:7492 /17:3386 /18:4128
/19:7502 /20:12315 /21:14902 /22:27431 /23:27338 /24:150347
/25:48 /26:77 /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 3145 5876 UNINET, MX
22773 2517 3378 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2272 12686 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 991 1763 Telmex Colombia S.A., CO
7018 990 2524 ATT-INTERNET4, US
209 970 1683 CENTURYLINK-US-LEGACY-QWEST, US
19901 907 1117 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 2:465 3:563 4:5 5:776 6:152
7:5 8:655 11:171 12:975 13:296 14:112
15:296 16:234 17:5 18:882 20:157 21:4
22:188 23:2351 24:689 27:29 29:19 31:408
32:19 34:8 35:108 36:1227 37:653 38:2065
39:540 40:53 41:1023 42:209 43:165 44:32
45:3816 46:945 47:88 49:27 50:359 51:374
52:1384 54:286 55:1135 56:9 57:16 58:32
59:28 60:16 61:76 62:525 63:766 64:1808
65:1091 66:1568 67:942 68:425 69:1189 70:432
71:204 72:657 74:911 75:429 76:247 77:450
78:305 79:286 80:266 81:330 82:440 83:197
84:322 85:492 86:215 87:230 88:243 89:765
90:62 91:953 92:634 93:435 94:835 95:530
96:239 97:55 98:469 99:162 100:36 101:28
102:321 103:947 104:1142 105:122 106:36 107:1417
108:509 109:378 110:30 111:1913 112:458 113:39
114:49 115:24 116:55 117:1049 118:167 119:115
120:1165 121:40 122:122 123:147 124:54 125:24
126:1 128:448 129:275 130:655 131:942 132:565
133:212 134:434 135:114 136:586 137:495 138:1000
139:390 140:698 141:444 142:917 143:685 144:403
145:70 146:627 147:489 148:742 149:637 150:364
151:673 152:674 153:124 154:1155 155:764 156:1337
157:366 158:478 159:653 160:820 161:578 162:934
163:354 164:724 165:802 166:616 167:643 168:1584
169:145 170:1652 171:100 172:1178 173:783 174:230
175:43 176:421 177:1257 178:497 179:816 180:69
181:1919 182:44 183:874 184:454 185:3165 186:2408
187:1193 188:747 189:1491 190:5045 191:491 192:4921
193:1716 194:1127 195:882 196:738 197:1623 198:2553
199:4605 200:3975 201:3318 202:974 203:683 204:2063
205:1979 206:1559 207:1462 208:1276 209:1858 210:312
211:426 212:898 213:712 214:1004 215:36 216:2421
217:413 218:523 219:22 220:25 221:301 222:30
223:732
End of report
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