[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Feb 13 20:17:05 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 13 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: 257466
Prefixes after maximum aggregation (per Origin AS): 112265
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 136133
Number of IPv4 prefixes with a valid ROA: 115750
Number of IPv4 prefixes with an invalid ROA: 20
Number of IPv4 prefixes with no ROA: 141696
Total ASes present in the Internet Routing Table: 19983
Prefixes per ASN: 12.88
Origin-only ASes present in the Internet Routing Table: 17154
Origin ASes announcing only one prefix: 7675
Transit ASes present in the Internet Routing Table: 2829
Transit-only ASes present in the Internet Routing Table: 727
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: 295
Number of instances of unregistered ASNs: 296
Number of 32-bit ASNs allocated by the RIRs: 46117
Number of 32-bit ASNs visible in the Routing Table: 7789
Prefixes from 32-bit ASNs in the Routing Table: 29513
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: 138
Number of addresses announced to Internet: 1545845437
Equivalent to 92 /8s, 35 /16s and 186 /24s
Percentage of available address space announced: 41.8
Percentage of allocated address space announced: 41.8
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: 81206
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31884
Total APNIC prefixes after maximum aggregation: 7773
APNIC Deaggregation factor: 4.10
Prefixes being announced from the APNIC address blocks: 30480
Unique aggregates announced from the APNIC address blocks: 8064
APNIC Region origin ASes present in the Internet Routing Table: 1127
APNIC Prefixes per ASN: 27.05
APNIC Region origin ASes announcing only one prefix: 439
APNIC Region transit ASes present in the Internet Routing Table: 219
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: 481
Number of APNIC addresses announced to Internet: 168844908
Equivalent to 10 /8s, 16 /16s and 94 /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: 118845
Total ARIN prefixes after maximum aggregation: 61153
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117072
Unique aggregates announced from the ARIN address blocks: 62646
ARIN Region origin ASes present in the Internet Routing Table: 8975
ARIN Prefixes per ASN: 13.04
ARIN Region origin ASes announcing only one prefix: 3759
ARIN Region transit ASes present in the Internet Routing Table: 842
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: 2034
Number of ARIN addresses announced to Internet: 957295425
Equivalent to 57 /8s, 15 /16s and 43 /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: 46269
Total RIPE prefixes after maximum aggregation: 25201
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47740
Unique aggregates announced from the RIPE address blocks: 35142
RIPE Region origin ASes present in the Internet Routing Table: 4481
RIPE Prefixes per ASN: 10.65
RIPE Region origin ASes announcing only one prefix: 1875
RIPE Region transit ASes present in the Internet Routing Table: 671
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: 1788
Number of RIPE addresses announced to Internet: 279839952
Equivalent to 16 /8s, 174 /16s and 4 /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: 49633
Total LACNIC prefixes after maximum aggregation: 15300
LACNIC Deaggregation factor: 3.24
Prefixes being announced from the LACNIC address blocks: 48365
Unique aggregates announced from the LACNIC address blocks: 23626
LACNIC Region origin ASes present in the Internet Routing Table: 4265
LACNIC Prefixes per ASN: 11.34
LACNIC Region origin ASes announcing only one prefix: 1478
LACNIC Region transit ASes present in the Internet Routing Table: 885
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: 3335
Number of LACNIC addresses announced to Internet: 99048768
Equivalent to 5 /8s, 231 /16s and 93 /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: 10540
Total AfriNIC prefixes after maximum aggregation: 2629
AfriNIC Deaggregation factor: 4.01
Prefixes being announced from the AfriNIC address blocks: 13671
Unique aggregates announced from the AfriNIC address blocks: 6539
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 48.14
AfriNIC Region origin ASes announcing only one prefix: 124
AfriNIC Region transit ASes present in the Internet Routing Table: 76
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: 151
Number of AfriNIC addresses announced to Internet: 40755968
Equivalent to 2 /8s, 109 /16s and 227 /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 10150 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
17561 778 49 458 LCS-AS-AP LARUS Limited, HK
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 642 2202 464 SINET-AS Research Organization of Informa
17676 473 8895 146 GIGAINFRA SoftBank Corp., JP
45102 470 743 138 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 12747 38950 3728 AMAZON-02, US
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2517 2931 1229 DNIC-ASBLK-00306-00371, US
4155 2364 171 1434 USDA-1, US
7018 2271 22923 1617 ATT-INTERNET4, US
36352 2203 183 979 AS-COLOCROSSING, US
11776 1895 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1770 3497 452 CELLCO-PART, US
209 1679 4890 284 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 1243 97 991 AKAMAI-ASN1, NL
3215 893 4818 289 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
62240 746 51 335 CLOUVIDER Clouvider - Global ASN, GB
25019 661 1015 139 SAUDINETSTC-AS, SA
8452 621 1756 123 TE-AS TE-AS, EG
8376 589 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 543 40 479 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 5841 1648 811 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1764 262 1244 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1112 371 22 Telefonica del Peru S.A.A., PE
26615 1012 2503 53 TIM SA, BR
18881 872 1127 31 TELEFONICA BRASIL S.A, BR
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
26599 562 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 1492 389 16 LINKdotNET-AS, EG
29571 1109 79 370 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 823 439 136 RAYA-AS, EG
36935 684 520 41 Vodafone-, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36914 555 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
36903 347 166 273 MT-MPLS, MA
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 12747 38950 3728 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5841 1648 811 UNINET, MX
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2517 2931 1229 DNIC-ASBLK-00306-00371, US
4155 2364 171 1434 USDA-1, US
7018 2271 22923 1617 ATT-INTERNET4, US
36352 2203 183 979 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 10150 10063 CHINAMOBILE-CN China Mobile Communications Grou
8151 5841 5030 UNINET, MX
22773 3371 3191 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1681 ATLANTICBB-JOHNSTOWN, US
24863 1492 1476 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1679 1395 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
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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
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
/13:213 /14:573 /15:1097 /16:7553 /17:3391 /18:4152
/19:7457 /20:12304 /21:14917 /22:27718 /23:27246 /24:150394
/25:47 /26:75 /27:38 /28:17 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3140 5841 UNINET, MX
22773 2510 3371 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2271 12747 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 992 1764 Telmex Colombia S.A., CO
209 969 1679 CENTURYLINK-US-LEGACY-QWEST, US
19901 907 1125 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 891 2203 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:62 2:476 3:566 4:5 5:776 6:152
7:5 8:635 11:171 12:984 13:296 14:115
15:297 16:234 17:5 18:885 20:117 21:4
22:188 23:2372 24:679 27:25 29:19 31:399
32:19 34:10 35:130 36:1236 37:568 38:2072
39:540 40:54 41:1008 42:209 43:165 44:25
45:3811 46:915 47:86 49:29 50:338 51:374
52:1386 54:285 55:1032 56:9 57:19 58:32
59:30 60:16 61:74 62:524 63:760 64:1722
65:1064 66:1523 67:934 68:380 69:1148 70:433
71:202 72:662 74:904 75:429 76:237 77:453
78:318 79:277 80:277 81:342 82:500 83:213
84:315 85:521 86:222 87:253 88:245 89:766
90:95 91:948 92:635 93:365 94:808 95:535
96:240 97:55 98:447 99:162 100:36 101:30
102:316 103:944 104:1131 105:207 106:35 107:1417
108:505 109:373 110:28 111:1909 112:459 113:39
114:49 115:20 116:50 117:1041 118:166 119:122
120:1165 121:40 122:117 123:146 124:55 125:26
128:448 129:281 130:650 131:914 132:584 133:212
134:451 135:114 136:580 137:507 138:1002 139:384
140:699 141:428 142:909 143:704 144:409 145:72
146:632 147:491 148:780 149:667 150:360 151:663
152:541 153:124 154:1453 155:762 156:1481 157:363
158:484 159:650 160:874 161:620 162:937 163:342
164:729 165:758 166:649 167:656 168:1526 169:145
170:1649 171:118 172:1175 173:778 174:230 175:47
176:438 177:1115 178:549 179:815 180:70 181:1844
182:49 183:872 184:443 185:3296 186:2429 187:1373
188:731 189:1492 190:5066 191:487 192:4884 193:1757
194:1162 195:910 196:629 197:1540 198:2591 199:4655
200:3948 201:3320 202:972 203:685 204:2068 205:1950
206:1549 207:1433 208:1276 209:1823 210:315 211:427
212:923 213:721 214:1013 215:36 216:2340 217:453
218:522 219:22 220:29 221:301 222:30 223:730
End of report
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