[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Feb 1 20:16:53 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 01 Feb, 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: 256954
Prefixes after maximum aggregation (per Origin AS): 111714
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135666
Number of IPv4 prefixes with a valid ROA: 114579
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 142356
Total ASes present in the Internet Routing Table: 20008
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 17177
Origin ASes announcing only one prefix: 7663
Transit ASes present in the Internet Routing Table: 2831
Transit-only ASes present in the Internet Routing Table: 735
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: 290
Number of instances of unregistered ASNs: 291
Number of 32-bit ASNs allocated by the RIRs: 46097
Number of 32-bit ASNs visible in the Routing Table: 7838
Prefixes from 32-bit ASNs in the Routing Table: 29491
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: 143
Number of addresses announced to Internet: 1522775037
Equivalent to 90 /8s, 195 /16s and 179 /24s
Percentage of available address space announced: 41.1
Percentage of allocated address space announced: 41.1
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: 81246
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31772
Total APNIC prefixes after maximum aggregation: 7771
APNIC Deaggregation factor: 4.09
Prefixes being announced from the APNIC address blocks: 30473
Unique aggregates announced from the APNIC address blocks: 8081
APNIC Region origin ASes present in the Internet Routing Table: 1136
APNIC Prefixes per ASN: 26.82
APNIC Region origin ASes announcing only one prefix: 433
APNIC Region transit ASes present in the Internet Routing Table: 223
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: 493
Number of APNIC addresses announced to Internet: 169107308
Equivalent to 10 /8s, 20 /16s and 95 /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: 118619
Total ARIN prefixes after maximum aggregation: 60997
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 116935
Unique aggregates announced from the ARIN address blocks: 62537
ARIN Region origin ASes present in the Internet Routing Table: 9051
ARIN Prefixes per ASN: 12.92
ARIN Region origin ASes announcing only one prefix: 3820
ARIN Region transit ASes present in the Internet Routing Table: 840
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: 2045
Number of ARIN addresses announced to Internet: 951300993
Equivalent to 56 /8s, 179 /16s and 179 /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: 45952
Total RIPE prefixes after maximum aggregation: 25012
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47334
Unique aggregates announced from the RIPE address blocks: 35082
RIPE Region origin ASes present in the Internet Routing Table: 4371
RIPE Prefixes per ASN: 10.83
RIPE Region origin ASes announcing only one prefix: 1818
RIPE Region transit ASes present in the Internet Routing Table: 660
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1752
Number of RIPE addresses announced to Internet: 262447568
Equivalent to 15 /8s, 164 /16s and 161 /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: 49698
Total LACNIC prefixes after maximum aggregation: 15041
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 48466
Unique aggregates announced from the LACNIC address blocks: 23319
LACNIC Region origin ASes present in the Internet Routing Table: 4298
LACNIC Prefixes per ASN: 11.28
LACNIC Region origin ASes announcing only one prefix: 1467
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: 3396
Number of LACNIC addresses announced to Internet: 99307840
Equivalent to 5 /8s, 235 /16s and 81 /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: 10623
Total AfriNIC prefixes after maximum aggregation: 2689
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 13603
Unique aggregates announced from the AfriNIC address blocks: 6526
AfriNIC Region origin ASes present in the Internet Routing Table: 294
AfriNIC Prefixes per ASN: 46.27
AfriNIC Region origin ASes announcing only one prefix: 125
AfriNIC Region transit ASes present in the Internet Routing Table: 73
Average AfriNIC Region AS path length visible: 6.6
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: 40545280
Equivalent to 2 /8s, 106 /16s and 172 /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 10149 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 42 410 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 12672 38941 3724 AMAZON-02, US
22773 3379 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
7018 2535 23071 1800 ATT-INTERNET4, US
367 2528 3001 1212 DNIC-ASBLK-00306-00371, US
4155 2354 170 1426 USDA-1, US
36352 2109 177 941 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 1223 95 980 AKAMAI-ASN1, NL
3215 891 4818 289 France Telecom - Orange, FR
3257 791 2069 694 GTT-BACKBONE GTT, US
62240 753 51 334 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 625 1756 123 TE-AS TE-AS, EG
8376 581 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 541 39 478 CDNEXT, GB
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 5878 1679 786 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 1103 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 1518 389 16 LINKdotNET-AS, EG
29571 1114 79 370 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 545 82 3 KENET-AS, KE
36903 396 185 288 MT-MPLS, MA
2018 373 319 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 12672 38941 3724 AMAZON-02, US
9808 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5878 1679 786 UNINET, MX
22773 3379 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
7018 2535 23071 1800 ATT-INTERNET4, US
367 2528 3001 1212 DNIC-ASBLK-00306-00371, US
4155 2354 170 1426 USDA-1, US
36352 2109 177 941 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 10149 10062 CHINAMOBILE-CN China Mobile Communications Grou
8151 5878 5092 UNINET, MX
22773 3379 3199 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 1518 1502 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
23.140.16.0/24 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 /11:40 /12:145
/13:207 /14:556 /15:1079 /16:7485 /17:3392 /18:4118
/19:7470 /20:12262 /21:14872 /22:27383 /23:27289 /24:150394
/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 3147 5878 UNINET, MX
22773 2518 3379 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2268 12672 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
7018 1003 2535 ATT-INTERNET4, US
10620 991 1763 Telmex Colombia S.A., CO
209 970 1683 CENTURYLINK-US-LEGACY-QWEST, US
19901 909 1119 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 2:469 3:563 4:5 5:790 6:152
7:5 8:653 11:171 12:974 13:292 14:112
15:297 16:234 17:5 18:883 20:146 21:4
22:188 23:2344 24:681 27:28 29:19 31:400
32:19 34:7 35:108 36:1227 37:659 38:2082
39:540 40:53 41:1027 42:209 43:164 44:27
45:3808 46:943 47:88 49:27 50:361 51:374
52:1386 54:286 55:1142 56:9 57:15 58:32
59:28 60:16 61:76 62:527 63:765 64:1754
65:1075 66:1530 67:930 68:421 69:1176 70:432
71:203 72:656 74:910 75:429 76:248 77:443
78:303 79:278 80:259 81:348 82:443 83:199
84:323 85:516 86:216 87:238 88:242 89:765
90:62 91:965 92:635 93:434 94:820 95:528
96:237 97:55 98:459 99:162 100:36 101:28
102:324 103:945 104:1131 105:122 106:36 107:1416
108:507 109:381 110:29 111:1913 112:458 113:39
114:48 115:24 116:52 117:1051 118:167 119:112
120:1165 121:40 122:122 123:147 124:54 125:24
128:448 129:275 130:658 131:936 132:562 133:212
134:436 135:113 136:587 137:490 138:1009 139:391
140:690 141:428 142:917 143:683 144:403 145:70
146:630 147:494 148:733 149:624 150:366 151:678
152:654 153:125 154:1344 155:768 156:1421 157:364
158:487 159:652 160:877 161:577 162:931 163:351
164:721 165:804 166:650 167:656 168:1553 169:144
170:1650 171:101 172:1177 173:765 174:230 175:45
176:443 177:1171 178:542 179:820 180:69 181:1915
182:44 183:872 184:451 185:3248 186:2380 187:1116
188:742 189:1489 190:5052 191:481 192:4900 193:1737
194:1118 195:898 196:736 197:1656 198:2550 199:4592
200:3975 201:3302 202:972 203:682 204:2058 205:1942
206:1561 207:1445 208:1279 209:1850 210:313 211:426
212:911 213:719 214:1005 215:36 216:2402 217:436
218:523 219:22 220:25 221:301 222:30 223:732
End of report
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