[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Jan 26 20:15:29 UTC 2022
IPv4 R&E Routing Table Report 20:15 GMT Wed 26 Jan, 2022
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: 19993
Prefixes after maximum aggregation (per Origin AS): 10893
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 12128
Number of IPv4 prefixes with a valid ROA: 4869
Number of IPv4 prefixes with an invalid ROA: 42
Number of IPv4 prefixes with no ROA: 15082
Total ASes present in the Internet Routing Table: 2764
Prefixes per ASN: 7.23
Origin-only ASes present in the Internet Routing Table: 2373
Origin ASes announcing only one prefix: 1101
Transit ASes present in the Internet Routing Table: 391
Transit-only ASes present in the Internet Routing Table: 71
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 38395
Number of 32-bit ASNs visible in the Routing Table: 609
Prefixes from 32-bit ASNs in the Routing Table: 1698
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 264575187
Equivalent to 15 /8s, 197 /16s and 24 /24s
Percentage of available address space announced: 7.1
Percentage of allocated address space announced: 7.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 2575
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4920
Total APNIC prefixes after maximum aggregation: 2388
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4801
Unique aggregates announced from the APNIC address blocks: 2634
APNIC Region origin ASes present in the Internet Routing Table: 563
APNIC Prefixes per ASN: 8.53
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 214
Number of APNIC addresses announced to Internet: 47446124
Equivalent to 2 /8s, 211 /16s and 248 /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, 131072-151865
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: 9201
Total ARIN prefixes after maximum aggregation: 4946
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 9294
Unique aggregates announced from the ARIN address blocks: 5590
ARIN Region origin ASes present in the Internet Routing Table: 1229
ARIN Prefixes per ASN: 7.56
ARIN Region origin ASes announcing only one prefix: 442
ARIN Region transit ASes present in the Internet Routing Table: 162
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 168
Number of ARIN addresses announced to Internet: 149855617
Equivalent to 8 /8s, 238 /16s and 157 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3490
Total RIPE prefixes after maximum aggregation: 2799
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3516
Unique aggregates announced from the RIPE address blocks: 2837
RIPE Region origin ASes present in the Internet Routing Table: 678
RIPE Prefixes per ASN: 5.19
RIPE Region origin ASes announcing only one prefix: 320
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 134
Number of RIPE addresses announced to Internet: 59715014
Equivalent to 3 /8s, 143 /16s and 45 /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
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
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: 1465
Total LACNIC prefixes after maximum aggregation: 567
LACNIC Deaggregation factor: 2.58
Prefixes being announced from the LACNIC address blocks: 1463
Unique aggregates announced from the LACNIC address blocks: 766
LACNIC Region origin ASes present in the Internet Routing Table: 168
LACNIC Prefixes per ASN: 8.71
LACNIC Region origin ASes announcing only one prefix: 69
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4670240
Equivalent to 0 /8s, 71 /16s and 67 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 914
Total AfriNIC prefixes after maximum aggregation: 190
AfriNIC Deaggregation factor: 4.81
Prefixes being announced from the AfriNIC address blocks: 917
Unique aggregates announced from the AfriNIC address blocks: 299
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 17.63
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2887680
Equivalent to 0 /8s, 44 /16s and 16 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
2907 619 2157 458 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
45102 241 428 87 ALIBABA-CN-NET Alibaba US Technology Co
58647 200 18 2 KAGAWAU-AS Kagawa University, JP
1237 192 74 135 KREONET-AS-KR KISTI, KR
4538 176 4192 72 ERX-CERNET-BKB China Education and Rese
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
55824 115 18 11 NKN-CORE-NW NKN Core Network, IN
4621 78 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
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
15169 737 3282 67 GOOGLE, US
7896 251 51 7 NU-AS, US
8075 204 10901 186 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
6939 170 120 120 HURRICANE, US
2152 150 507 90 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
23024 114 7 17 OCDE, 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
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 183 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 68 647 61 FR-RENATER Reseau National de telecommu
2614 58 32 55 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
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
1916 202 207 42 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 55 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
61468 45 3 15 CEDIA, EC
4270 42 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
28571 37 26 15 UNIVERSIDADE DE SAO PAULO, 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
2018 350 319 74 TENET-1, ZA
36914 204 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
327687 37 28 3 RENU, UG
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37182 13 8 1 TERNET, TZ
37501 11 49 6 UOFS, 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
15169 737 3282 67 GOOGLE, US
2907 619 2157 458 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 350 319 74 TENET-1, ZA
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
7896 251 51 7 NU-AS, US
45102 241 428 87 ALIBABA-CN-NET Alibaba US Technology Co
8075 204 10901 186 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 204 82 3 KENET-AS, KE
376 203 178 152 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 350 276 TENET-1, ZA
7896 251 244 NU-AS, US
36914 204 201 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 200 198 KAGAWAU-AS Kagawa University, JP
8895 183 179 ISU Internet Services Unit ISU, SA
2907 619 161 SINET-AS Research Organization of Information a
1916 202 160 Rede Nacional de Ensino e Pesquisa, BR
45102 241 154 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, 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 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 17579 KREONET2-AS-KR KISTI, KR
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 /8:0 /9:1 /10:4 /11:6 /12:23
/13:36 /14:82 /15:153 /16:2125 /17:447 /18:491
/19:718 /20:887 /21:911 /22:1460 /23:1597 /24:10716
/25:77 /26:62 /27:60 /28:30 /29:28 /30:19
/31:0 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 273 737 GOOGLE, US
36914 191 204 KENET-AS, KE
8895 178 183 ISU Internet Services Unit ISU, SA
6939 67 170 HURRICANE, US
23024 53 114 OCDE, US
327700 39 45 MoRENet, MZ
58647 34 200 KAGAWAU-AS Kagawa University, JP
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:17 8:6 12:1 13:1 14:85
18:42 23:16 24:3 31:6 35:1 37:6
38:9 40:1 41:128 42:13 44:5 45:43
46:6 47:35 49:8 50:4 52:2 58:7
59:4 60:4 61:3 62:7 63:38 64:85
65:7 66:58 67:45 68:8 69:20 70:7
71:1 72:23 74:83 76:34 77:7 78:3
79:10 80:16 81:28 82:5 83:6 84:9
85:33 86:4 87:1 88:1 89:10 91:47
92:1 93:19 94:4 95:5 96:5 97:1
98:2 101:8 102:13 103:299 104:77 106:1
107:16 108:43 109:10 110:5 111:21 112:4
113:1 114:23 116:5 117:61 119:22 121:27
123:8 124:39 125:4 128:81 129:176 130:92
131:89 132:58 133:140 134:101 136:193 137:80
138:8 139:5 140:40 141:2 142:148 143:31
144:52 145:2 146:128 147:57 148:192 149:13
150:39 151:6 152:77 153:11 154:25 155:53
156:67 157:26 158:42 159:116 160:25 161:24
162:22 163:62 164:26 165:55 166:2 167:17
168:121 169:10 170:67 171:1 172:91 173:86
175:31 176:8 177:13 178:1 179:11 180:21
181:1 182:6 184:13 185:45 186:3 187:18
188:13 189:5 190:33 191:33 192:1424 193:249
194:143 195:93 196:149 197:115 198:515 199:259
200:254 201:40 202:607 203:420 204:334 205:165
206:195 207:172 208:75 209:130 210:182 211:13
212:173 213:4 216:132 217:15 218:25 219:12
220:17 222:5 223:5
End of report
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