[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jan 29 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 29 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: 257175
Prefixes after maximum aggregation (per Origin AS): 111788
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 134754
Number of IPv4 prefixes with a valid ROA: 114910
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 142247
Total ASes present in the Internet Routing Table: 20063
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 17222
Origin ASes announcing only one prefix: 7690
Transit ASes present in the Internet Routing Table: 2841
Transit-only ASes present in the Internet Routing Table: 729
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: 293
Number of instances of unregistered ASNs: 294
Number of 32-bit ASNs allocated by the RIRs: 46079
Number of 32-bit ASNs visible in the Routing Table: 7858
Prefixes from 32-bit ASNs in the Routing Table: 29882
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: 146
Number of addresses announced to Internet: 1523077885
Equivalent to 90 /8s, 200 /16s and 82 /24s
Percentage of available address space announced: 41.1
Percentage of allocated address space announced: 41.1
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: 81569
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31747
Total APNIC prefixes after maximum aggregation: 7758
APNIC Deaggregation factor: 4.09
Prefixes being announced from the APNIC address blocks: 30488
Unique aggregates announced from the APNIC address blocks: 8098
APNIC Region origin ASes present in the Internet Routing Table: 1144
APNIC Prefixes per ASN: 26.65
APNIC Region origin ASes announcing only one prefix: 439
APNIC Region transit ASes present in the Internet Routing Table: 226
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: 497
Number of APNIC addresses announced to Internet: 169076844
Equivalent to 10 /8s, 19 /16s and 232 /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: 119172
Total ARIN prefixes after maximum aggregation: 61361
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117494
Unique aggregates announced from the ARIN address blocks: 62949
ARIN Region origin ASes present in the Internet Routing Table: 9085
ARIN Prefixes per ASN: 12.93
ARIN Region origin ASes announcing only one prefix: 3824
ARIN Region transit ASes present in the Internet Routing Table: 838
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: 2050
Number of ARIN addresses announced to Internet: 952061057
Equivalent to 56 /8s, 191 /16s and 76 /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: 45022
Total RIPE prefixes after maximum aggregation: 24608
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 46622
Unique aggregates announced from the RIPE address blocks: 34271
RIPE Region origin ASes present in the Internet Routing Table: 4359
RIPE Prefixes per ASN: 10.70
RIPE Region origin ASes announcing only one prefix: 1822
RIPE Region transit ASes present in the Internet Routing Table: 656
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: 1750
Number of RIPE addresses announced to Internet: 261514960
Equivalent to 15 /8s, 150 /16s and 102 /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: 50715
Total LACNIC prefixes after maximum aggregation: 15158
LACNIC Deaggregation factor: 3.35
Prefixes being announced from the LACNIC address blocks: 49444
Unique aggregates announced from the LACNIC address blocks: 23208
LACNIC Region origin ASes present in the Internet Routing Table: 4328
LACNIC Prefixes per ASN: 11.42
LACNIC Region origin ASes announcing only one prefix: 1482
LACNIC Region transit ASes present in the Internet Routing Table: 910
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: 3409
Number of LACNIC addresses announced to Internet: 100003648
Equivalent to 5 /8s, 245 /16s and 239 /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: 10226
Total AfriNIC prefixes after maximum aggregation: 2696
AfriNIC Deaggregation factor: 3.79
Prefixes being announced from the AfriNIC address blocks: 12981
Unique aggregates announced from the AfriNIC address blocks: 6104
AfriNIC Region origin ASes present in the Internet Routing Table: 293
AfriNIC Prefixes per ASN: 44.30
AfriNIC Region origin ASes announcing only one prefix: 123
AfriNIC Region transit ASes present in the Internet Routing Table: 74
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: 152
Number of AfriNIC addresses announced to Internet: 40352768
Equivalent to 2 /8s, 103 /16s and 188 /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 10151 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 621 40 389 LCS-AS-AP LARUS Limited, HK
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 465 741 134 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 12617 38888 3711 AMAZON-02, US
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2535 3015 1215 DNIC-ASBLK-00306-00371, US
7018 2520 23070 1785 ATT-INTERNET4, US
4155 2339 166 1418 USDA-1, US
36352 2147 179 958 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1740 3431 442 CELLCO-PART, US
209 1683 4892 286 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 1233 96 987 AKAMAI-ASN1, NL
3215 892 4818 289 France Telecom - Orange, FR
3257 792 2069 695 GTT-BACKBONE GTT, US
8452 625 1756 123 TE-AS TE-AS, EG
25019 618 1024 134 SAUDINETSTC-AS, SA
8376 581 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 542 39 482 CDNEXT, GB
47524 479 70 220 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 6431 1806 790 UNINET, MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
10620 1763 262 1244 Telmex Colombia S.A., CO
3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1104 371 22 Telefonica del Peru S.A.A., PE
26615 1002 2503 53 TIM SA, BR
18881 869 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 50 ENTEL CHILE S.A., CL
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 558 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 1522 389 16 LINKdotNET-AS, EG
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 800 381 135 RAYA-AS, EG
29571 762 63 391 ORANGE-COTE-IVOIRE, CI
36992 637 1225 129 ETISALAT-MISR, EG
37069 606 1031 15 MOBINIL, EG
36935 572 519 46 Vodafone-, EG
36914 551 82 3 KENET-AS, KE
36903 396 185 288 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 12617 38888 3711 AMAZON-02, US
9808 10151 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6431 1806 790 UNINET, MX
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2535 3015 1215 DNIC-ASBLK-00306-00371, US
7018 2520 23070 1785 ATT-INTERNET4, US
4155 2339 166 1418 USDA-1, US
36352 2147 179 958 AS-COLOCROSSING, US
11830 1988 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 10151 10064 CHINAMOBILE-CN China Mobile Communications Grou
8151 6431 5641 UNINET, MX
22773 3377 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1988 1924 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
24863 1522 1506 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1683 1397 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
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 /11:40 /12:145
/13:207 /14:557 /15:1082 /16:7497 /17:3387 /18:4126
/19:7541 /20:12072 /21:15094 /22:27570 /23:27477 /24:150118
/25:48 /26:77 /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 3349 6431 UNINET, MX
22773 2516 3377 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2254 12617 AMAZON-02, US
11830 1689 1988 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
7018 991 2520 ATT-INTERNET4, US
10620 991 1763 Telmex Colombia S.A., CO
209 970 1683 CENTURYLINK-US-LEGACY-QWEST, US
19901 907 1117 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 2:466 3:561 4:5 5:760 6:152
7:5 8:655 11:171 12:976 13:290 14:112
15:296 16:234 17:5 18:876 20:157 21:4
22:188 23:2354 24:688 27:29 29:19 31:394
32:19 34:8 35:114 36:1227 37:595 38:2009
39:540 40:53 41:984 42:209 43:165 44:31
45:3828 46:954 47:88 49:28 50:359 51:374
52:1384 54:286 55:1142 56:9 57:16 58:32
59:28 60:16 61:77 62:528 63:767 64:1813
65:1093 66:1567 67:942 68:425 69:1188 70:433
71:204 72:671 74:911 75:429 76:247 77:446
78:301 79:295 80:266 81:349 82:377 83:197
84:321 85:487 86:212 87:229 88:241 89:746
90:62 91:953 92:634 93:440 94:841 95:522
96:240 97:55 98:470 99:162 100:36 101:28
102:315 103:946 104:1153 105:122 106:39 107:1418
108:510 109:365 110:30 111:1913 112:458 113:39
114:49 115:24 116:55 117:1049 118:167 119:116
120:1165 121:40 122:121 123:147 124:54 125:24
128:448 129:275 130:657 131:941 132:566 133:212
134:428 135:113 136:588 137:482 138:1012 139:390
140:695 141:440 142:916 143:689 144:406 145:70
146:627 147:486 148:741 149:637 150:364 151:672
152:679 153:120 154:1122 155:763 156:1344 157:362
158:477 159:647 160:668 161:580 162:933 163:355
164:723 165:803 166:617 167:643 168:1577 169:147
170:1655 171:99 172:1184 173:778 174:230 175:45
176:421 177:1260 178:500 179:814 180:69 181:1910
182:44 183:874 184:455 185:3159 186:2411 187:1247
188:733 189:1486 190:5041 191:497 192:4918 193:1718
194:1132 195:884 196:727 197:1653 198:2556 199:4600
200:3996 201:3384 202:972 203:685 204:2062 205:1973
206:1569 207:1464 208:1279 209:1888 210:312 211:426
212:883 213:711 214:1004 215:36 216:2417 217:430
218:523 219:22 220:25 221:301 222:30 223:732
End of report
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