[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Feb 14 20:16:52 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 14 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: 257116
Prefixes after maximum aggregation (per Origin AS): 112289
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 135306
Number of IPv4 prefixes with a valid ROA: 115443
Number of IPv4 prefixes with an invalid ROA: 21
Number of IPv4 prefixes with no ROA: 141652
Total ASes present in the Internet Routing Table: 20053
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 17227
Origin ASes announcing only one prefix: 7723
Transit ASes present in the Internet Routing Table: 2826
Transit-only ASes present in the Internet Routing Table: 718
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: 292
Number of instances of unregistered ASNs: 293
Number of 32-bit ASNs allocated by the RIRs: 46132
Number of 32-bit ASNs visible in the Routing Table: 7818
Prefixes from 32-bit ASNs in the Routing Table: 29664
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: 140
Number of addresses announced to Internet: 1546381501
Equivalent to 92 /8s, 43 /16s and 232 /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: 81140
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31292
Total APNIC prefixes after maximum aggregation: 7639
APNIC Deaggregation factor: 4.10
Prefixes being announced from the APNIC address blocks: 30142
Unique aggregates announced from the APNIC address blocks: 8191
APNIC Region origin ASes present in the Internet Routing Table: 1124
APNIC Prefixes per ASN: 26.82
APNIC Region origin ASes announcing only one prefix: 438
APNIC Region transit ASes present in the Internet Routing Table: 217
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: 168208236
Equivalent to 10 /8s, 6 /16s and 167 /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: 118941
Total ARIN prefixes after maximum aggregation: 61237
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117123
Unique aggregates announced from the ARIN address blocks: 62729
ARIN Region origin ASes present in the Internet Routing Table: 9039
ARIN Prefixes per ASN: 12.96
ARIN Region origin ASes announcing only one prefix: 3800
ARIN Region transit ASes present in the Internet Routing Table: 843
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: 2059
Number of ARIN addresses announced to Internet: 957316161
Equivalent to 57 /8s, 15 /16s and 124 /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: 46376
Total RIPE prefixes after maximum aggregation: 25243
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47813
Unique aggregates announced from the RIPE address blocks: 35217
RIPE Region origin ASes present in the Internet Routing Table: 4493
RIPE Prefixes per ASN: 10.64
RIPE Region origin ASes announcing only one prefix: 1877
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: 1792
Number of RIPE addresses announced to Internet: 279938768
Equivalent to 16 /8s, 175 /16s and 134 /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: 49658
Total LACNIC prefixes after maximum aggregation: 15316
LACNIC Deaggregation factor: 3.24
Prefixes being announced from the LACNIC address blocks: 48397
Unique aggregates announced from the LACNIC address blocks: 23592
LACNIC Region origin ASes present in the Internet Routing Table: 4272
LACNIC Prefixes per ASN: 11.33
LACNIC Region origin ASes announcing only one prefix: 1484
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: 99224384
Equivalent to 5 /8s, 234 /16s and 11 /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: 10557
Total AfriNIC prefixes after maximum aggregation: 2648
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 13501
Unique aggregates announced from the AfriNIC address blocks: 5459
AfriNIC Region origin ASes present in the Internet Routing Table: 284
AfriNIC Prefixes per ASN: 47.54
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: 41631232
Equivalent to 2 /8s, 123 /16s and 62 /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
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 642 2202 464 SINET-AS Research Organization of Informa
17561 610 39 413 LCS-AS-AP LARUS Limited, HK
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 12729 38949 3728 AMAZON-02, US
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2503 2928 1217 DNIC-ASBLK-00306-00371, US
4155 2365 171 1437 USDA-1, US
7018 2263 22926 1609 ATT-INTERNET4, US
36352 2202 183 978 AS-COLOCROSSING, US
11776 1895 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1771 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 924 4894 281 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 551 40 484 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 6011 1699 870 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1765 262 1244 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1111 371 22 Telefonica del Peru S.A.A., PE
26615 1010 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 1501 389 16 LINKdotNET-AS, EG
29571 1109 79 370 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 834 440 138 RAYA-AS, EG
36935 685 520 41 Vodafone-, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36914 477 82 3 KENET-AS, KE
2018 380 319 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 12729 38949 3728 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6011 1699 870 UNINET, MX
22773 3371 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2503 2928 1217 DNIC-ASBLK-00306-00371, US
4155 2365 171 1437 USDA-1, US
7018 2263 22926 1609 ATT-INTERNET4, US
36352 2202 183 978 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 6011 5141 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 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 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
23.134.164.0/24 Origin: 399291 FIBERNETPR-ASN, PR
23.134.164.0/24 Transit: 21559 OSNET, PR
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 /11:42 /12:149
/13:214 /14:574 /15:1094 /16:7562 /17:3396 /18:4162
/19:7490 /20:12327 /21:14934 /22:27699 /23:27254 /24:149957
/25:48 /26:76 /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 3211 6011 UNINET, MX
22773 2510 3371 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2274 12729 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 993 1765 Telmex Colombia S.A., CO
209 969 1679 CENTURYLINK-US-LEGACY-QWEST, US
19901 911 1129 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 891 2202 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:60 2:476 3:566 4:5 5:773 6:152
7:5 8:634 11:171 12:982 13:291 14:115
15:297 16:234 17:5 18:885 20:117 21:4
22:188 23:2386 24:681 27:27 29:19 31:400
32:19 34:10 35:130 36:1231 37:574 38:2081
39:540 40:54 41:941 42:183 43:167 44:25
45:3763 46:917 47:86 49:29 50:348 51:374
52:1385 54:279 55:1044 56:9 57:18 58:31
59:30 60:16 61:74 62:522 63:760 64:1722
65:1066 66:1510 67:933 68:385 69:1153 70:433
71:202 72:663 74:903 75:428 76:235 77:455
78:315 79:278 80:289 81:336 82:508 83:213
84:317 85:522 86:218 87:253 88:245 89:769
90:96 91:950 92:637 93:364 94:796 95:536
96:240 97:55 98:448 99:162 100:36 101:30
102:317 103:936 104:1155 105:210 106:35 107:1416
108:506 109:373 110:24 111:1898 112:459 113:36
114:43 115:20 116:50 117:1041 118:97 119:122
120:1165 121:40 122:69 123:83 124:52 125:26
128:449 129:281 130:653 131:912 132:579 133:212
134:446 135:113 136:581 137:507 138:1007 139:386
140:699 141:441 142:910 143:706 144:409 145:75
146:633 147:492 148:779 149:662 150:362 151:664
152:543 153:124 154:1442 155:763 156:1357 157:364
158:483 159:649 160:874 161:619 162:948 163:340
164:730 165:760 166:650 167:651 168:1512 169:143
170:1650 171:118 172:1173 173:775 174:225 175:46
176:437 177:1120 178:548 179:804 180:69 181:1833
182:36 183:872 184:439 185:3306 186:2416 187:1385
188:725 189:1517 190:5051 191:486 192:4875 193:1741
194:1181 195:914 196:650 197:1551 198:2591 199:4676
200:3936 201:3296 202:969 203:678 204:2068 205:1968
206:1539 207:1437 208:1281 209:1829 210:318 211:427
212:915 213:716 214:1010 215:36 216:2339 217:453
218:522 219:22 220:29 221:301 222:30 223:731
End of report
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