[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jan 18 20:17:00 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 18 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: 256222
Prefixes after maximum aggregation (per Origin AS): 112522
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 136156
Number of IPv4 prefixes with a valid ROA: 112867
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 143336
Total ASes present in the Internet Routing Table: 20072
Prefixes per ASN: 12.77
Origin-only ASes present in the Internet Routing Table: 17212
Origin ASes announcing only one prefix: 7662
Transit ASes present in the Internet Routing Table: 2860
Transit-only ASes present in the Internet Routing Table: 753
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: 322
Number of instances of unregistered ASNs: 323
Number of 32-bit ASNs allocated by the RIRs: 46101
Number of 32-bit ASNs visible in the Routing Table: 7830
Prefixes from 32-bit ASNs in the Routing Table: 29514
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: 157
Number of addresses announced to Internet: 1530869501
Equivalent to 91 /8s, 63 /16s and 54 /24s
Percentage of available address space announced: 41.3
Percentage of allocated address space announced: 41.3
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: 80611
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31846
Total APNIC prefixes after maximum aggregation: 7735
APNIC Deaggregation factor: 4.12
Prefixes being announced from the APNIC address blocks: 30697
Unique aggregates announced from the APNIC address blocks: 8178
APNIC Region origin ASes present in the Internet Routing Table: 1130
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: 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: 485
Number of APNIC addresses announced to Internet: 173166444
Equivalent to 10 /8s, 82 /16s and 79 /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: 118112
Total ARIN prefixes after maximum aggregation: 61687
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 116277
Unique aggregates announced from the ARIN address blocks: 63197
ARIN Region origin ASes present in the Internet Routing Table: 9063
ARIN Prefixes per ASN: 12.83
ARIN Region origin ASes announcing only one prefix: 3805
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: 2039
Number of ARIN addresses announced to Internet: 955827585
Equivalent to 56 /8s, 248 /16s and 197 /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: 45381
Total RIPE prefixes after maximum aggregation: 24769
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 47010
Unique aggregates announced from the RIPE address blocks: 34718
RIPE Region origin ASes present in the Internet Routing Table: 4387
RIPE Prefixes per ASN: 10.72
RIPE Region origin ASes announcing only one prefix: 1835
RIPE Region transit ASes present in the Internet Routing Table: 659
Average RIPE Region AS path length visible: 5.8
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1752
Number of RIPE addresses announced to Internet: 262882768
Equivalent to 15 /8s, 171 /16s and 69 /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: 49935
Total LACNIC prefixes after maximum aggregation: 15041
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 48728
Unique aggregates announced from the LACNIC address blocks: 23107
LACNIC Region origin ASes present in the Internet Routing Table: 4314
LACNIC Prefixes per ASN: 11.30
LACNIC Region origin ASes announcing only one prefix: 1468
LACNIC Region transit ASes present in the Internet Routing Table: 911
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3408
Number of LACNIC addresses announced to Internet: 99462464
Equivalent to 5 /8s, 237 /16s and 173 /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: 10626
Total AfriNIC prefixes after maximum aggregation: 3063
AfriNIC Deaggregation factor: 3.47
Prefixes being announced from the AfriNIC address blocks: 13353
Unique aggregates announced from the AfriNIC address blocks: 6826
AfriNIC Region origin ASes present in the Internet Routing Table: 290
AfriNIC Prefixes per ASN: 46.04
AfriNIC Region origin ASes announcing only one prefix: 125
AfriNIC Region transit ASes present in the Internet Routing Table: 79
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: 146
Number of AfriNIC addresses announced to Internet: 39458048
Equivalent to 2 /8s, 90 /16s and 21 /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 10125 8753 86 CHINAMOBILE-CN China Mobile Communication
56046 1566 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
17676 518 9871 160 GIGAINFRA SoftBank Corp., JP
17561 512 33 333 LCS-AS-AP LARUS Limited, HK
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 12575 38854 3707 AMAZON-02, US
749 3261 54895 2508 DNIC-AS-00749, US
367 2512 3012 1206 DNIC-ASBLK-00306-00371, US
7018 2495 23068 1772 ATT-INTERNET4, US
22773 2468 2081 708 ASN-CXA-ALL-CCI-22773-RDC, US
4155 2319 165 1409 USDA-1, US
36352 1933 168 856 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 1257 98 1005 AKAMAI-ASN1, NL
3215 888 4814 286 France Telecom - Orange, FR
3257 794 2069 695 GTT-BACKBONE GTT, US
8452 616 1756 124 TE-AS TE-AS, EG
25019 616 1007 132 SAUDINETSTC-AS, SA
8376 587 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 545 39 485 CDNEXT, GB
47524 477 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 6022 1696 791 UNINET, MX
11830 1992 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 1112 371 22 Telefonica del Peru S.A.A., PE
26615 1003 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 1563 389 18 LINKdotNET-AS, EG
20011 967 179 271 INTERNET-SOLUTIONS, ZA
29571 955 71 402 ORANGE-COTE-IVOIRE, CI
24835 784 378 136 RAYA-AS, EG
37069 607 1031 15 MOBINIL, EG
36992 585 982 267 ETISALAT-MISR, EG
36935 550 119 169 Vodafone-, EG
36914 546 82 3 KENET-AS, KE
36903 533 252 359 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 12575 38854 3707 AMAZON-02, US
9808 10125 8753 86 CHINAMOBILE-CN China Mobile Communication
8151 6022 1696 791 UNINET, MX
749 3261 54895 2508 DNIC-AS-00749, US
367 2512 3012 1206 DNIC-ASBLK-00306-00371, US
7018 2495 23068 1772 ATT-INTERNET4, US
22773 2468 2081 708 ASN-CXA-ALL-CCI-22773-RDC, US
4155 2319 165 1409 USDA-1, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
36352 1933 168 856 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 10125 10039 CHINAMOBILE-CN China Mobile Communications Grou
8151 6022 5231 UNINET, MX
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1872 1823 ALJAWWALSTC-AS, SA
22773 2468 1760 ASN-CXA-ALL-CCI-22773-RDC, US
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
24863 1563 1545 LINKdotNET-AS, EG
56041 1537 1459 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
56046 1566 1387 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 /11:37 /12:145
/13:208 /14:558 /15:1091 /16:7575 /17:3401 /18:4053
/19:7456 /20:12172 /21:15001 /22:27488 /23:27465 /24:149325
/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 3195 6022 UNINET, MX
16509 2250 12575 AMAZON-02, US
22773 1869 2468 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1017 1872 ALJAWWALSTC-AS, SA
7018 985 2495 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 3:543 4:5 5:778 6:152
7:5 8:664 11:171 12:979 13:296 14:111
15:294 16:234 17:5 18:871 20:158 21:4
22:188 23:2329 24:694 27:36 29:19 31:426
32:22 34:7 35:108 36:1225 37:560 38:2022
39:539 40:52 41:1001 42:209 43:183 44:33
45:3763 46:959 47:88 49:28 50:358 51:373
52:1387 54:286 55:1028 56:8 57:16 58:32
59:31 60:16 61:77 62:541 63:768 64:1741
65:1096 66:1481 67:929 68:414 69:1155 70:297
71:198 72:578 74:892 75:428 76:252 77:414
78:299 79:284 80:262 81:349 82:367 83:200
84:318 85:477 86:221 87:239 88:261 89:587
90:62 91:969 92:632 93:441 94:868 95:538
96:219 97:51 98:370 99:163 100:36 101:27
102:338 103:947 104:1110 105:90 106:39 107:1416
108:485 109:382 110:31 111:1899 112:457 113:49
114:52 115:42 116:57 117:995 118:180 119:130
120:1164 121:40 122:125 123:149 124:54 125:23
128:448 129:296 130:659 131:914 132:565 133:211
134:463 135:112 136:581 137:553 138:1005 139:389
140:693 141:446 142:908 143:669 144:406 145:79
146:641 147:492 148:749 149:634 150:363 151:688
152:693 153:130 154:1179 155:755 156:1302 157:370
158:482 159:680 160:777 161:598 162:926 163:379
164:717 165:804 166:600 167:649 168:1522 169:147
170:1645 171:100 172:1151 173:756 174:229 175:49
176:402 177:1189 178:506 179:843 180:73 181:1912
182:43 183:871 184:452 185:3168 186:2367 187:1179
188:781 189:1509 190:5026 191:504 192:4918 193:1695
194:1136 195:894 196:742 197:1673 198:2545 199:4596
200:3891 201:3301 202:1042 203:685 204:2062 205:1978
206:1574 207:1432 208:1294 209:1906 210:311 211:427
212:990 213:695 214:1008 215:36 216:2416 217:433
218:521 219:22 220:29 221:301 222:30 223:724
End of report
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