[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Feb 8 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 08 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: 256486
Prefixes after maximum aggregation (per Origin AS): 111543
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135540
Number of IPv4 prefixes with a valid ROA: 115056
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 141411
Total ASes present in the Internet Routing Table: 19984
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 17147
Origin ASes announcing only one prefix: 7657
Transit ASes present in the Internet Routing Table: 2837
Transit-only ASes present in the Internet Routing Table: 737
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: 287
Number of instances of unregistered ASNs: 288
Number of 32-bit ASNs allocated by the RIRs: 46088
Number of 32-bit ASNs visible in the Routing Table: 7792
Prefixes from 32-bit ASNs in the Routing Table: 29120
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: 137
Number of addresses announced to Internet: 1539051517
Equivalent to 91 /8s, 188 /16s and 15 /24s
Percentage of available address space announced: 41.6
Percentage of allocated address space announced: 41.6
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: 81061
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31749
Total APNIC prefixes after maximum aggregation: 7773
APNIC Deaggregation factor: 4.08
Prefixes being announced from the APNIC address blocks: 30429
Unique aggregates announced from the APNIC address blocks: 8033
APNIC Region origin ASes present in the Internet Routing Table: 1130
APNIC Prefixes per ASN: 26.93
APNIC Region origin ASes announcing only one prefix: 430
APNIC Region transit ASes present in the Internet Routing Table: 222
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: 491
Number of APNIC addresses announced to Internet: 168791148
Equivalent to 10 /8s, 15 /16s and 140 /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: 118222
Total ARIN prefixes after maximum aggregation: 60657
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 116462
Unique aggregates announced from the ARIN address blocks: 62289
ARIN Region origin ASes present in the Internet Routing Table: 8972
ARIN Prefixes per ASN: 12.98
ARIN Region origin ASes announcing only one prefix: 3767
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: 2021
Number of ARIN addresses announced to Internet: 949944193
Equivalent to 56 /8s, 158 /16s and 255 /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: 46295
Total RIPE prefixes after maximum aggregation: 25158
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47761
Unique aggregates announced from the RIPE address blocks: 35221
RIPE Region origin ASes present in the Internet Routing Table: 4465
RIPE Prefixes per ASN: 10.70
RIPE Region origin ASes announcing only one prefix: 1867
RIPE Region transit ASes present in the Internet Routing Table: 668
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: 1786
Number of RIPE addresses announced to Internet: 280452304
Equivalent to 16 /8s, 183 /16s and 92 /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: 49348
Total LACNIC prefixes after maximum aggregation: 15054
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 48086
Unique aggregates announced from the LACNIC address blocks: 23198
LACNIC Region origin ASes present in the Internet Routing Table: 4259
LACNIC Prefixes per ASN: 11.29
LACNIC Region origin ASes announcing only one prefix: 1468
LACNIC Region transit ASes present in the Internet Routing Table: 889
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: 3339
Number of LACNIC addresses announced to Internet: 98978624
Equivalent to 5 /8s, 230 /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: 10585
Total AfriNIC prefixes after maximum aggregation: 2698
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 13611
Unique aggregates announced from the AfriNIC address blocks: 6684
AfriNIC Region origin ASes present in the Internet Routing Table: 299
AfriNIC Prefixes per ASN: 45.52
AfriNIC Region origin ASes announcing only one prefix: 125
AfriNIC Region transit ASes present in the Internet Routing Table: 77
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: 155
Number of AfriNIC addresses announced to Internet: 40824064
Equivalent to 2 /8s, 110 /16s and 237 /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 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
17561 675 43 462 LCS-AS-AP LARUS Limited, HK
2907 641 2202 464 SINET-AS Research Organization of Informa
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 12733 38946 3726 AMAZON-02, US
22773 3374 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2512 2946 1200 DNIC-ASBLK-00306-00371, US
4155 2351 170 1440 USDA-1, US
7018 2275 22924 1622 ATT-INTERNET4, US
36352 2175 182 985 AS-COLOCROSSING, US
11776 1895 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1751 3487 443 CELLCO-PART, US
209 1680 4890 285 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 1230 96 982 AKAMAI-ASN1, NL
3215 893 4818 289 France Telecom - Orange, FR
3257 792 2069 694 GTT-BACKBONE GTT, US
62240 745 51 334 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 623 1756 123 TE-AS TE-AS, EG
8376 593 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 533 39 470 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 5892 1636 820 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1764 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 1010 2503 53 TIM SA, BR
18881 864 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 560 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 1496 389 16 LINKdotNET-AS, EG
29571 1105 78 367 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 797 381 135 RAYA-AS, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 615 1031 15 MOBINIL, EG
36935 572 519 46 Vodafone-, EG
36914 553 82 3 KENET-AS, KE
36903 388 183 284 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 12733 38946 3726 AMAZON-02, US
9808 10149 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5892 1636 820 UNINET, MX
22773 3374 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2512 2946 1200 DNIC-ASBLK-00306-00371, US
4155 2351 170 1440 USDA-1, US
7018 2275 22924 1622 ATT-INTERNET4, US
36352 2175 182 985 AS-COLOCROSSING, US
11830 1991 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 10149 10062 CHINAMOBILE-CN China Mobile Communications Grou
8151 5892 5072 UNINET, MX
22773 3374 3194 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1681 ATLANTICBB-JOHNSTOWN, US
24863 1496 1480 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1680 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
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 /11:42 /12:149
/13:211 /14:564 /15:1087 /16:7515 /17:3404 /18:4136
/19:7513 /20:12193 /21:14890 /22:27334 /23:27163 /24:150023
/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 3171 5892 UNINET, MX
22773 2513 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2268 12733 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 992 1764 Telmex Colombia S.A., CO
209 969 1680 CENTURYLINK-US-LEGACY-QWEST, US
19901 911 1126 BRSPD-PUBLIC, US
11776 897 1895 ATLANTICBB-JOHNSTOWN, US
36352 886 2175 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:61 2:474 3:566 4:5 5:782 6:152
7:5 8:660 11:171 12:980 13:296 14:115
15:297 16:234 17:5 18:884 20:120 21:4
22:188 23:2307 24:681 27:25 29:19 31:404
32:19 34:11 35:124 36:1229 37:560 38:2083
39:540 40:54 41:985 42:209 43:165 44:26
45:3775 46:969 47:88 49:27 50:355 51:373
52:1387 54:285 55:1097 56:9 57:19 58:32
59:25 60:16 61:74 62:531 63:759 64:1725
65:1066 66:1500 67:936 68:371 69:1166 70:435
71:203 72:662 74:905 75:428 76:261 77:447
78:319 79:274 80:273 81:334 82:455 83:202
84:311 85:516 86:221 87:256 88:243 89:744
90:95 91:958 92:642 93:424 94:859 95:530
96:240 97:55 98:447 99:161 100:35 101:30
102:333 103:943 104:1129 105:208 106:35 107:1418
108:504 109:390 110:28 111:1909 112:459 113:39
114:49 115:23 116:50 117:1041 118:167 119:122
120:1165 121:40 122:119 123:146 124:54 125:25
128:451 129:279 130:651 131:936 132:553 133:211
134:452 135:114 136:580 137:501 138:1006 139:382
140:696 141:425 142:907 143:720 144:398 145:67
146:628 147:489 148:717 149:637 150:362 151:661
152:573 153:124 154:1483 155:761 156:1393 157:362
158:494 159:652 160:876 161:622 162:934 163:341
164:731 165:754 166:649 167:655 168:1535 169:146
170:1649 171:118 172:1182 173:767 174:231 175:45
176:435 177:1142 178:548 179:823 180:69 181:1843
182:48 183:872 184:443 185:3312 186:2399 187:1107
188:732 189:1489 190:5062 191:483 192:4846 193:1756
194:1152 195:894 196:646 197:1644 198:2547 199:4637
200:3906 201:3330 202:969 203:680 204:2055 205:1941
206:1545 207:1444 208:1271 209:1853 210:311 211:427
212:912 213:732 214:1010 215:36 216:2324 217:428
218:523 219:22 220:25 221:301 222:30 223:733
End of report
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