[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Feb 5 20:16:57 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 05 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: 257501
Prefixes after maximum aggregation (per Origin AS): 112008
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 136113
Number of IPv4 prefixes with a valid ROA: 115174
Number of IPv4 prefixes with an invalid ROA: 20
Number of IPv4 prefixes with no ROA: 142307
Total ASes present in the Internet Routing Table: 20097
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 17253
Origin ASes announcing only one prefix: 7714
Transit ASes present in the Internet Routing Table: 2844
Transit-only ASes present in the Internet Routing Table: 737
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: 7858
Prefixes from 32-bit ASNs in the Routing Table: 29534
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: 142
Number of addresses announced to Internet: 1539324925
Equivalent to 91 /8s, 192 /16s and 59 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 41.6
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: 81626
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31308
Total APNIC prefixes after maximum aggregation: 7701
APNIC Deaggregation factor: 4.07
Prefixes being announced from the APNIC address blocks: 30187
Unique aggregates announced from the APNIC address blocks: 8261
APNIC Region origin ASes present in the Internet Routing Table: 1130
APNIC Prefixes per ASN: 26.71
APNIC Region origin ASes announcing only one prefix: 430
APNIC Region transit ASes present in the Internet Routing Table: 220
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: 489
Number of APNIC addresses announced to Internet: 168524652
Equivalent to 10 /8s, 11 /16s and 123 /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: 118611
Total ARIN prefixes after maximum aggregation: 60950
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116917
Unique aggregates announced from the ARIN address blocks: 62464
ARIN Region origin ASes present in the Internet Routing Table: 9034
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3811
ARIN Region transit ASes present in the Internet Routing Table: 834
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: 2046
Number of ARIN addresses announced to Internet: 950105473
Equivalent to 56 /8s, 161 /16s and 117 /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: 46874
Total RIPE prefixes after maximum aggregation: 25378
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 48209
Unique aggregates announced from the RIPE address blocks: 35652
RIPE Region origin ASes present in the Internet Routing Table: 4491
RIPE Prefixes per ASN: 10.73
RIPE Region origin ASes announcing only one prefix: 1881
RIPE Region transit ASes present in the Internet Routing Table: 672
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: 1798
Number of RIPE addresses announced to Internet: 280313808
Equivalent to 16 /8s, 181 /16s and 63 /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: 50003
Total LACNIC prefixes after maximum aggregation: 15064
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 48689
Unique aggregates announced from the LACNIC address blocks: 23255
LACNIC Region origin ASes present in the Internet Routing Table: 4285
LACNIC Prefixes per ASN: 11.36
LACNIC Region origin ASes announcing only one prefix: 1465
LACNIC Region transit ASes present in the Internet Routing Table: 898
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3372
Number of LACNIC addresses announced to Internet: 99820864
Equivalent to 5 /8s, 243 /16s and 37 /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: 10415
Total AfriNIC prefixes after maximum aggregation: 2711
AfriNIC Deaggregation factor: 3.84
Prefixes being announced from the AfriNIC address blocks: 13357
Unique aggregates announced from the AfriNIC address blocks: 6361
AfriNIC Region origin ASes present in the Internet Routing Table: 297
AfriNIC Prefixes per ASN: 44.97
AfriNIC Region origin ASes announcing only one prefix: 127
AfriNIC Region transit ASes present in the Internet Routing Table: 76
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: 153
Number of AfriNIC addresses announced to Internet: 40494336
Equivalent to 2 /8s, 105 /16s and 229 /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
2907 642 2202 464 SINET-AS Research Organization of Informa
17561 589 38 418 LCS-AS-AP LARUS Limited, HK
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 12684 38938 3756 AMAZON-02, US
22773 3376 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
7018 2536 23074 1784 ATT-INTERNET4, US
367 2532 2949 1218 DNIC-ASBLK-00306-00371, US
4155 2358 171 1430 USDA-1, US
36352 2190 182 978 AS-COLOCROSSING, US
11776 1890 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1745 3451 442 CELLCO-PART, US
209 1683 4890 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 1233 96 985 AKAMAI-ASN1, NL
3215 891 4818 289 France Telecom - Orange, FR
3257 790 2069 693 GTT-BACKBONE GTT, US
62240 745 51 334 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 636 1756 123 TE-AS TE-AS, EG
8376 590 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 534 38 469 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 5865 1678 787 UNINET, MX
11830 1984 369 64 Instituto Costarricense de Electricidad y
10620 1764 262 1244 Telmex Colombia S.A., CO
3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1104 371 22 Telefonica del Peru S.A.A., PE
26615 1003 2503 53 TIM SA, BR
18881 863 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 1501 389 16 LINKdotNET-AS, EG
20011 978 180 282 INTERNET-SOLUTIONS, ZA
29571 974 73 389 ORANGE-COTE-IVOIRE, CI
24835 800 381 135 RAYA-AS, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36935 592 522 53 Vodafone-, EG
36914 538 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 12684 38938 3756 AMAZON-02, US
9808 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5865 1678 787 UNINET, MX
22773 3376 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
7018 2536 23074 1784 ATT-INTERNET4, US
367 2532 2949 1218 DNIC-ASBLK-00306-00371, US
4155 2358 171 1430 USDA-1, US
36352 2190 182 978 AS-COLOCROSSING, US
11830 1984 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 5865 5078 UNINET, MX
22773 3376 3196 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1984 1920 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1890 1676 ATLANTICBB-JOHNSTOWN, US
24863 1501 1485 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 /11:42 /12:149
/13:210 /14:564 /15:1085 /16:7524 /17:3411 /18:4149
/19:7536 /20:12352 /21:14883 /22:27426 /23:27256 /24:150652
/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 3142 5865 UNINET, MX
22773 2515 3376 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2264 12684 AMAZON-02, US
11830 1685 1984 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
7018 993 2536 ATT-INTERNET4, US
10620 992 1764 Telmex Colombia S.A., CO
209 970 1683 CENTURYLINK-US-LEGACY-QWEST, US
19901 912 1126 BRSPD-PUBLIC, US
11776 897 1890 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:59 2:473 3:566 4:5 5:806 6:152
7:5 8:658 11:171 12:981 13:292 14:115
15:298 16:234 17:5 18:879 20:119 21:4
22:188 23:2340 24:686 27:28 29:19 31:446
32:19 34:9 35:123 36:1228 37:589 38:2102
39:540 40:54 41:991 42:184 43:166 44:27
45:3820 46:982 47:88 49:37 50:362 51:374
52:1387 54:285 55:1143 56:9 57:18 58:32
59:28 60:16 61:74 62:528 63:763 64:1716
65:1073 66:1505 67:936 68:413 69:1164 70:434
71:205 72:657 74:901 75:428 76:261 77:450
78:317 79:283 80:263 81:363 82:458 83:203
84:322 85:535 86:217 87:255 88:243 89:743
90:95 91:967 92:644 93:436 94:852 95:541
96:242 97:55 98:468 99:159 100:36 101:28
102:332 103:948 104:1145 105:131 106:35 107:1414
108:501 109:376 110:24 111:1913 112:460 113:36
114:44 115:24 116:50 117:1045 118:99 119:112
120:1165 121:40 122:70 123:85 124:51 125:24
128:452 129:276 130:661 131:943 132:555 133:211
134:444 135:113 136:588 137:488 138:1014 139:393
140:693 141:426 142:918 143:721 144:402 145:70
146:630 147:490 148:748 149:633 150:364 151:678
152:579 153:124 154:1368 155:771 156:1292 157:365
158:496 159:661 160:794 161:611 162:938 163:346
164:739 165:805 166:649 167:651 168:1550 169:146
170:1662 171:118 172:1183 173:762 174:229 175:47
176:444 177:1163 178:568 179:833 180:68 181:1915
182:43 183:872 184:450 185:3323 186:2409 187:1127
188:781 189:1505 190:5084 191:482 192:4837 193:1756
194:1157 195:908 196:730 197:1628 198:2546 199:4653
200:4008 201:3317 202:971 203:676 204:2057 205:1982
206:1550 207:1422 208:1280 209:1850 210:313 211:426
212:964 213:733 214:1016 215:36 216:2393 217:447
218:523 219:22 220:25 221:301 222:30 223:732
End of report
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