[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jan 20 20:17:00 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 20 Jan, 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: 257617
Prefixes after maximum aggregation (per Origin AS): 112198
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135940
Number of IPv4 prefixes with a valid ROA: 114122
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 143476
Total ASes present in the Internet Routing Table: 20142
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 17261
Origin ASes announcing only one prefix: 7704
Transit ASes present in the Internet Routing Table: 2881
Transit-only ASes present in the Internet Routing Table: 764
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: 316
Number of instances of unregistered ASNs: 317
Number of 32-bit ASNs allocated by the RIRs: 46119
Number of 32-bit ASNs visible in the Routing Table: 7882
Prefixes from 32-bit ASNs in the Routing Table: 29546
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: 158
Number of addresses announced to Internet: 1534862845
Equivalent to 91 /8s, 124 /16s and 37 /24s
Percentage of available address space announced: 41.5
Percentage of allocated address space announced: 41.5
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: 81542
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31885
Total APNIC prefixes after maximum aggregation: 7720
APNIC Deaggregation factor: 4.13
Prefixes being announced from the APNIC address blocks: 30728
Unique aggregates announced from the APNIC address blocks: 8205
APNIC Region origin ASes present in the Internet Routing Table: 1131
APNIC Prefixes per ASN: 27.17
APNIC Region origin ASes announcing only one prefix: 429
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: 489
Number of APNIC addresses announced to Internet: 172782700
Equivalent to 10 /8s, 76 /16s and 116 /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: 119014
Total ARIN prefixes after maximum aggregation: 61131
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117214
Unique aggregates announced from the ARIN address blocks: 62570
ARIN Region origin ASes present in the Internet Routing Table: 9057
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3791
ARIN Region transit ASes present in the Internet Routing Table: 841
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: 2037
Number of ARIN addresses announced to Internet: 959694465
Equivalent to 57 /8s, 51 /16s and 198 /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: 45792
Total RIPE prefixes after maximum aggregation: 25056
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 47441
Unique aggregates announced from the RIPE address blocks: 35052
RIPE Region origin ASes present in the Internet Routing Table: 4423
RIPE Prefixes per ASN: 10.73
RIPE Region origin ASes announcing only one prefix: 1848
RIPE Region transit ASes present in the Internet Routing Table: 670
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1768
Number of RIPE addresses announced to Internet: 263305168
Equivalent to 15 /8s, 177 /16s and 183 /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: 49789
Total LACNIC prefixes after maximum aggregation: 15076
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 48600
Unique aggregates announced from the LACNIC address blocks: 23112
LACNIC Region origin ASes present in the Internet Routing Table: 4331
LACNIC Prefixes per ASN: 11.22
LACNIC Region origin ASes announcing only one prefix: 1501
LACNIC Region transit ASes present in the Internet Routing Table: 916
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3430
Number of LACNIC addresses announced to Internet: 99568448
Equivalent to 5 /8s, 239 /16s and 75 /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: 10821
Total AfriNIC prefixes after maximum aggregation: 2990
AfriNIC Deaggregation factor: 3.62
Prefixes being announced from the AfriNIC address blocks: 13476
Unique aggregates announced from the AfriNIC address blocks: 6870
AfriNIC Region origin ASes present in the Internet Routing Table: 301
AfriNIC Prefixes per ASN: 44.77
AfriNIC Region origin ASes announcing only one prefix: 135
AfriNIC Region transit ASes present in the Internet Routing Table: 83
Average AfriNIC Region AS path length visible: 6.4
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 158
Number of AfriNIC addresses announced to Internet: 39439616
Equivalent to 2 /8s, 89 /16s and 205 /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 10138 8753 86 CHINAMOBILE-CN China Mobile Communication
56046 1568 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1537 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 846 177 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 517 33 336 LCS-AS-AP LARUS Limited, HK
17676 501 9807 159 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 12578 38853 3707 AMAZON-02, US
22773 3376 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
367 2512 3012 1205 DNIC-ASBLK-00306-00371, US
7018 2497 23068 1771 ATT-INTERNET4, US
4155 2319 165 1408 USDA-1, US
36352 1929 167 856 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1758 3431 444 CELLCO-PART, US
209 1660 4893 288 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 1872 126 49 ALJAWWALSTC-AS, SA
20940 1255 98 1003 AKAMAI-ASN1, NL
3215 888 4814 286 France Telecom - Orange, FR
3257 793 2069 695 GTT-BACKBONE GTT, US
8452 616 1756 124 TE-AS TE-AS, EG
25019 616 1007 132 SAUDINETSTC-AS, SA
8376 588 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 545 39 485 CDNEXT, GB
47524 478 70 218 AS-TURKSAT, TR
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 6025 1696 788 UNINET, MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
10620 1682 251 1193 Telmex Colombia S.A., CO
3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1109 371 22 Telefonica del Peru S.A.A., PE
26615 1002 2503 53 TIM SA, BR
18881 870 1128 28 TELEFONICA BRASIL S.A, BR
27651 722 106 49 ENTEL CHILE S.A., CL
28006 640 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
13999 555 91 235 Mega Cable, S.A. de C.V., MX
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 1542 389 18 LINKdotNET-AS, EG
29571 1200 82 384 ORANGE-COTE-IVOIRE, CI
20011 967 179 271 INTERNET-SOLUTIONS, ZA
24835 797 379 137 RAYA-AS, EG
37069 607 1031 15 MOBINIL, EG
36992 585 982 267 ETISALAT-MISR, EG
36935 551 120 162 Vodafone-, EG
36914 547 82 3 KENET-AS, KE
36903 447 210 308 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 12578 38853 3707 AMAZON-02, US
9808 10138 8753 86 CHINAMOBILE-CN China Mobile Communication
8151 6025 1696 788 UNINET, MX
22773 3376 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
367 2512 3012 1205 DNIC-ASBLK-00306-00371, US
7018 2497 23068 1771 ATT-INTERNET4, US
4155 2319 165 1408 USDA-1, US
11830 1987 369 64 Instituto Costarricense de Electricidad y
36352 1929 167 856 AS-COLOCROSSING, US
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 10138 10052 CHINAMOBILE-CN China Mobile Communications Grou
8151 6025 5237 UNINET, MX
22773 3376 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1987 1923 Instituto Costarricense de Electricidad y Telec
39891 1872 1823 ALJAWWALSTC-AS, SA
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
24863 1542 1524 LINKdotNET-AS, EG
56041 1537 1459 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
56046 1568 1389 CMNET-JIANGSU-AP China Mobile communications co
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 /11:39 /12:147
/13:209 /14:558 /15:1094 /16:7573 /17:3424 /18:4108
/19:7548 /20:12286 /21:15073 /22:27646 /23:27603 /24:150062
/25:42 /26:68 /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 3199 6025 UNINET, MX
22773 2516 3376 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2252 12578 AMAZON-02, US
11830 1688 1987 Instituto Costarricense de Electricidad y Telecom., CR
39891 1017 1872 ALJAWWALSTC-AS, SA
7018 987 2497 ATT-INTERNET4, US
209 946 1660 CENTURYLINK-US-LEGACY-QWEST, US
10620 935 1682 Telmex Colombia S.A., CO
19901 906 1106 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 2:478 3:544 4:5 5:767 6:152
7:5 8:663 11:171 12:979 13:296 14:111
15:295 16:233 17:5 18:870 20:152 21:4
22:188 23:2319 24:678 27:36 29:19 31:424
32:19 34:7 35:108 36:1225 37:567 38:2058
39:539 40:53 41:1004 42:209 43:181 44:32
45:3759 46:997 47:87 49:28 50:356 51:373
52:1386 54:286 55:1028 56:8 57:16 58:32
59:31 60:16 61:76 62:539 63:768 64:1747
65:1094 66:1507 67:928 68:445 69:1159 70:431
71:208 72:649 74:897 75:430 76:254 77:426
78:306 79:287 80:268 81:359 82:355 83:195
84:316 85:523 86:224 87:292 88:265 89:578
90:62 91:985 92:634 93:443 94:878 95:542
96:219 97:55 98:470 99:163 100:36 101:28
102:346 103:949 104:1094 105:160 106:39 107:1410
108:486 109:381 110:32 111:1912 112:457 113:49
114:52 115:39 116:57 117:1049 118:180 119:131
120:1164 121:40 122:125 123:149 124:54 125:23
128:449 129:274 130:660 131:928 132:560 133:211
134:453 135:112 136:579 137:540 138:1011 139:391
140:693 141:447 142:905 143:669 144:405 145:77
146:644 147:494 148:750 149:638 150:368 151:688
152:695 153:130 154:1186 155:758 156:1307 157:372
158:483 159:680 160:919 161:601 162:920 163:350
164:714 165:803 166:599 167:643 168:1537 169:145
170:1643 171:100 172:1147 173:762 174:229 175:49
176:404 177:1189 178:496 179:833 180:73 181:1911
182:43 183:871 184:451 185:3214 186:2355 187:1164
188:785 189:1475 190:5015 191:491 192:4933 193:1686
194:1142 195:866 196:738 197:1687 198:2545 199:4597
200:3902 201:3301 202:1043 203:685 204:2063 205:1982
206:1572 207:1433 208:1294 209:1908 210:312 211:427
212:958 213:705 214:1010 215:36 216:2417 217:427
218:521 219:22 220:29 221:301 222:30 223:724
End of report
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