[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 20 20:16:59 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 20 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: 254258
Prefixes after maximum aggregation (per Origin AS): 111119
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 132636
Number of IPv4 prefixes with a valid ROA: 114258
Number of IPv4 prefixes with an invalid ROA: 24
Number of IPv4 prefixes with no ROA: 139976
Total ASes present in the Internet Routing Table: 20034
Prefixes per ASN: 12.69
Origin-only ASes present in the Internet Routing Table: 17201
Origin ASes announcing only one prefix: 7657
Transit ASes present in the Internet Routing Table: 2833
Transit-only ASes present in the Internet Routing Table: 736
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: 46146
Number of 32-bit ASNs visible in the Routing Table: 7825
Prefixes from 32-bit ASNs in the Routing Table: 29547
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: 139
Number of addresses announced to Internet: 1553525053
Equivalent to 92 /8s, 152 /16s and 233 /24s
Percentage of available address space announced: 42.0
Percentage of allocated address space announced: 42.0
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: 80332
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31427
Total APNIC prefixes after maximum aggregation: 7459
APNIC Deaggregation factor: 4.21
Prefixes being announced from the APNIC address blocks: 30779
Unique aggregates announced from the APNIC address blocks: 8337
APNIC Region origin ASes present in the Internet Routing Table: 1158
APNIC Prefixes per ASN: 26.58
APNIC Region origin ASes announcing only one prefix: 451
APNIC Region transit ASes present in the Internet Routing Table: 218
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: 505
Number of APNIC addresses announced to Internet: 168410988
Equivalent to 10 /8s, 9 /16s and 191 /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: 117587
Total ARIN prefixes after maximum aggregation: 60609
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 116302
Unique aggregates announced from the ARIN address blocks: 61634
ARIN Region origin ASes present in the Internet Routing Table: 9022
ARIN Prefixes per ASN: 12.89
ARIN Region origin ASes announcing only one prefix: 3778
ARIN Region transit ASes present in the Internet Routing Table: 845
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: 2044
Number of ARIN addresses announced to Internet: 957719873
Equivalent to 57 /8s, 21 /16s and 165 /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: 45895
Total RIPE prefixes after maximum aggregation: 25154
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 47625
Unique aggregates announced from the RIPE address blocks: 35321
RIPE Region origin ASes present in the Internet Routing Table: 4465
RIPE Prefixes per ASN: 10.67
RIPE Region origin ASes announcing only one prefix: 1864
RIPE Region transit ASes present in the Internet Routing Table: 669
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: 287083856
Equivalent to 17 /8s, 28 /16s and 141 /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: 48452
Total LACNIC prefixes after maximum aggregation: 15157
LACNIC Deaggregation factor: 3.20
Prefixes being announced from the LACNIC address blocks: 47178
Unique aggregates announced from the LACNIC address blocks: 23297
LACNIC Region origin ASes present in the Internet Routing Table: 4246
LACNIC Prefixes per ASN: 11.11
LACNIC Region origin ASes announcing only one prefix: 1446
LACNIC Region transit ASes present in the Internet Routing Table: 879
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: 3328
Number of LACNIC addresses announced to Internet: 98573376
Equivalent to 5 /8s, 224 /16s and 28 /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: 10607
Total AfriNIC prefixes after maximum aggregation: 2536
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 12235
Unique aggregates announced from the AfriNIC address blocks: 3930
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 43.08
AfriNIC Region origin ASes announcing only one prefix: 118
AfriNIC Region transit ASes present in the Internet Routing Table: 77
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: 150
Number of AfriNIC addresses announced to Internet: 41674496
Equivalent to 2 /8s, 123 /16s and 231 /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 1573 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1540 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 53 CMNET-HUNAN-AP China Mobile communication
24547 835 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
45102 470 743 138 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 469 8895 146 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 12795 39190 3779 AMAZON-02, US
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2516 2916 1230 DNIC-ASBLK-00306-00371, US
4155 2368 171 1439 USDA-1, US
7018 2259 22926 1605 ATT-INTERNET4, US
11776 1877 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1776 3506 456 CELLCO-PART, US
209 1677 4890 283 CENTURYLINK-US-LEGACY-QWEST, US
36352 1578 120 926 AS-COLOCROSSING, 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 1271 99 1009 AKAMAI-ASN1, NL
3215 894 4818 290 France Telecom - Orange, FR
3257 793 2069 695 GTT-BACKBONE GTT, US
34984 738 75 431 TELLCOM-AS, TR
25019 661 1015 139 SAUDINETSTC-AS, SA
8452 629 1756 124 TE-AS TE-AS, EG
8376 588 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 561 41 493 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 5171 1570 858 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1753 261 1242 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1156 371 23 Telefonica del Peru S.A.A., PE
26615 1011 2503 53 TIM SA, BR
18881 872 1127 31 TELEFONICA BRASIL S.A, BR
28006 642 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 1498 389 16 LINKdotNET-AS, EG
29571 1119 79 376 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 833 509 46 RAYA-AS, EG
36935 685 520 41 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36914 559 82 3 KENET-AS, KE
36903 391 184 287 MT-MPLS, MA
2018 380 319 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 12795 39190 3779 AMAZON-02, US
9808 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5171 1570 858 UNINET, MX
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2516 2916 1230 DNIC-ASBLK-00306-00371, US
4155 2368 171 1439 USDA-1, US
7018 2259 22926 1605 ATT-INTERNET4, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
39891 1936 130 50 ALJAWWALSTC-AS, SA
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 5171 4313 UNINET, MX
22773 3364 3190 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1877 1663 ATLANTICBB-JOHNSTOWN, US
24863 1498 1482 LINKdotNET-AS, EG
56041 1540 1462 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1451 CMNET-HUNAN-AP China Mobile communications corp
209 1677 1394 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 /11:43 /12:150
/13:221 /14:577 /15:1104 /16:7560 /17:3370 /18:4163
/19:7399 /20:12212 /21:14640 /22:27379 /23:26715 /24:148462
/25:50 /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 2755 5171 UNINET, MX
22773 2507 3364 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2282 12795 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 982 1753 Telmex Colombia S.A., CO
209 967 1677 CENTURYLINK-US-LEGACY-QWEST, US
19901 911 1136 BRSPD-PUBLIC, US
11776 881 1877 ATLANTICBB-JOHNSTOWN, US
20011 868 980 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:62 2:483 3:569 4:5 5:772 6:152
7:5 8:635 11:171 12:980 13:292 14:114
15:298 16:237 17:5 18:885 20:126 21:4
22:188 23:2251 24:675 27:27 29:19 31:381
32:17 34:13 35:130 36:1234 37:573 38:2058
39:540 40:54 41:983 42:209 43:196 44:25
45:3792 46:897 47:86 49:30 50:349 51:374
52:1384 54:279 55:1089 56:9 57:19 58:31
59:30 60:16 61:75 62:521 63:759 64:1729
65:1067 66:1503 67:933 68:398 69:1154 70:434
71:200 72:680 74:919 75:422 76:235 77:450
78:316 79:274 80:262 81:316 82:513 83:218
84:331 85:550 86:225 87:253 88:247 89:744
90:95 91:942 92:640 93:363 94:766 95:588
96:246 97:66 98:447 99:164 100:36 101:32
102:318 103:1153 104:1102 105:208 106:35 107:1161
108:499 109:382 110:31 111:1900 112:460 113:43
114:49 115:29 116:48 117:1040 118:173 119:123
120:1167 121:41 122:116 123:146 124:55 125:25
128:450 129:276 130:645 131:900 132:580 133:212
134:443 135:115 136:579 137:510 138:1005 139:392
140:690 141:430 142:914 143:709 144:408 145:72
146:638 147:487 148:767 149:670 150:367 151:664
152:536 153:124 154:690 155:767 156:810 157:367
158:473 159:658 160:881 161:600 162:933 163:338
164:723 165:767 166:608 167:635 168:1510 169:142
170:1661 171:120 172:1136 173:785 174:233 175:56
176:679 177:1140 178:546 179:820 180:70 181:1837
182:39 183:875 184:480 185:3239 186:2419 187:1176
188:724 189:1362 190:5060 191:489 192:4799 193:1728
194:1156 195:914 196:647 197:1529 198:2535 199:4675
200:3953 201:3333 202:973 203:687 204:2072 205:1978
206:1540 207:1433 208:1277 209:1792 210:317 211:427
212:915 213:723 214:1019 215:36 216:2340 217:424
218:524 219:22 220:30 221:300 222:30 223:733
End of report
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