[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Mar 13 20:15:28 UTC 2022
IPv4 R&E Routing Table Report 20:15 GMT Sun 13 Mar, 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: 20192
Prefixes after maximum aggregation (per Origin AS): 10961
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 12187
Number of IPv4 prefixes with a valid ROA: 5052
Number of IPv4 prefixes with an invalid ROA: 42
Number of IPv4 prefixes with no ROA: 15098
Total ASes present in the Internet Routing Table: 2781
Prefixes per ASN: 7.26
Origin-only ASes present in the Internet Routing Table: 2395
Origin ASes announcing only one prefix: 1094
Transit ASes present in the Internet Routing Table: 386
Transit-only ASes present in the Internet Routing Table: 68
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 16
Max AS path prepend of ASN (211089) 11
Prefixes from unregistered ASNs in the Routing Table: 8
Number of instances of unregistered ASNs: 8
Number of 32-bit ASNs allocated by the RIRs: 38793
Number of 32-bit ASNs visible in the Routing Table: 612
Prefixes from 32-bit ASNs in the Routing Table: 1655
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: 264659795
Equivalent to 15 /8s, 198 /16s and 99 /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: 2572
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5086
Total APNIC prefixes after maximum aggregation: 2409
APNIC Deaggregation factor: 2.11
Prefixes being announced from the APNIC address blocks: 4966
Unique aggregates announced from the APNIC address blocks: 2698
APNIC Region origin ASes present in the Internet Routing Table: 577
APNIC Prefixes per ASN: 8.61
APNIC Region origin ASes announcing only one prefix: 246
APNIC Region transit ASes present in the Internet Routing Table: 68
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 218
Number of APNIC addresses announced to Internet: 47578220
Equivalent to 2 /8s, 213 /16s and 252 /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: 9163
Total ARIN prefixes after maximum aggregation: 4944
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 9240
Unique aggregates announced from the ARIN address blocks: 5553
ARIN Region origin ASes present in the Internet Routing Table: 1223
ARIN Prefixes per ASN: 7.56
ARIN Region origin ASes announcing only one prefix: 443
ARIN Region transit ASes present in the Internet Routing Table: 160
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: 169
Number of ARIN addresses announced to Internet: 149745409
Equivalent to 8 /8s, 236 /16s and 239 /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: 3581
Total RIPE prefixes after maximum aggregation: 2844
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3628
Unique aggregates announced from the RIPE address blocks: 2872
RIPE Region origin ASes present in the Internet Routing Table: 691
RIPE Prefixes per ASN: 5.25
RIPE Region origin ASes announcing only one prefix: 317
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 16
Number of RIPE region 32-bit ASNs visible in the Routing Table: 135
Number of RIPE addresses announced to Internet: 59732166
Equivalent to 3 /8s, 143 /16s and 112 /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: 1432
Total LACNIC prefixes after maximum aggregation: 570
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1431
Unique aggregates announced from the LACNIC address blocks: 768
LACNIC Region origin ASes present in the Internet Routing Table: 167
LACNIC Prefixes per ASN: 8.57
LACNIC Region origin ASes announcing only one prefix: 67
LACNIC Region transit ASes present in the Internet Routing Table: 23
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: 65
Number of LACNIC addresses announced to Internet: 4737824
Equivalent to 0 /8s, 72 /16s and 75 /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: 922
Total AfriNIC prefixes after maximum aggregation: 186
AfriNIC Deaggregation factor: 4.96
Prefixes being announced from the AfriNIC address blocks: 925
Unique aggregates announced from the AfriNIC address blocks: 294
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 18.88
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 14
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2865664
Equivalent to 0 /8s, 43 /16s and 186 /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 633 2157 459 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
45102 244 429 88 ALIBABA-CN-NET Alibaba US Technology Co
58647 201 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 129 19 23 NKN-CORE-NW NKN Core Network, IN
4621 79 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 739 3282 67 GOOGLE, US
7896 252 51 7 NU-AS, US
8075 206 10885 187 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 203 178 152 RISQ-AS, CA
6939 194 124 142 HURRICANE, US
5786 182 16 1 UPRENET, PR
2152 151 507 91 CSUNET-NW, US
18558 135 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
680 278 1965 244 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 181 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2614 69 30 59 ROEDUNET, RO
2200 66 615 60 FR-RENATER Reseau National de telecommu
1930 58 81 53 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 175 208 46 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
1251 60 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 44 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
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 372 319 74 TENET-1, ZA
36914 205 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 40 28 3 RENU, UG
327700 33 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 17 8 1 TERNET, TZ
37074 13 8 2 UG-AS, GH
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 739 3282 67 GOOGLE, US
2907 633 2157 459 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 372 319 74 TENET-1, ZA
680 278 1965 244 DFN Verein zur Foerderung eines Deutsch
7896 252 51 7 NU-AS, US
45102 244 429 88 ALIBABA-CN-NET Alibaba US Technology Co
8075 206 10885 187 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 205 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 430 406 CSTNET-AS-AP Computer Network Information Cente
2018 372 298 TENET-1, ZA
7896 252 245 NU-AS, US
36914 205 202 KENET-AS, KE
58647 201 199 KAGAWAU-AS Kagawa University, JP
5786 182 181 UPRENET, PR
8895 181 177 ISU Internet Services Unit ISU, SA
2907 633 174 SINET-AS Research Organization of Information a
45102 244 156 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
18558 135 131 NETBLK-RCOEK, 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
22644 UNALLOCATED 147.140.64.32/27 14877 PENNREN, US
22644 UNALLOCATED 147.140.64.64/27 14877 PENNREN, US
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
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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 /15:152 /16:2128 /17:451 /18:489
/19:713 /20:901 /21:920 /22:1488 /23:1650 /24:10821
/25:79 /26:56 /27:56 /28:28 /29:29 /30:19
/31:0 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 274 739 GOOGLE, US
36914 192 205 KENET-AS, KE
8895 176 181 ISU Internet Services Unit ISU, SA
6939 86 194 HURRICANE, US
23024 53 114 OCDE, US
58647 34 201 KAGAWAU-AS Kagawa University, JP
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
327700 31 33 MoRENet, MZ
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 31:9 35:1 37:8
38:9 40:1 41:124 42:14 44:5 45:43
46:6 47:35 49:10 50:4 52:2 58:7
59:20 60:4 61:3 62:9 63:38 64:85
65:7 66:59 67:45 68:8 69:20 70:10
71:1 72:20 74:84 76:34 77:7 78:3
79:10 80:18 81:28 82:4 83:6 84:9
85:44 86:7 87:1 88:1 89:10 91:44
92:1 93:23 94:4 95:5 97:1 98:2
101:8 102:13 103:315 104:79 106:1 107:16
108:43 109:12 110:5 111:21 113:1 114:23
116:5 117:61 118:32 119:21 121:28 122:8
123:8 124:39 125:4 128:81 129:178 130:92
131:94 132:56 133:141 134:99 136:175 137:88
138:8 139:5 140:40 141:1 142:149 143:31
144:52 145:2 146:128 147:56 148:192 149:13
150:44 151:6 152:77 153:13 154:26 155:53
156:68 157:26 158:42 159:116 160:25 161:28
162:22 163:61 164:35 165:55 166:2 167:17
168:125 169:10 170:69 171:1 172:91 173:86
175:29 176:8 177:12 179:11 180:21 182:6
184:6 185:50 186:3 187:19 188:13 189:5
190:33 191:33 192:1417 193:277 194:144 195:87
196:162 197:113 198:516 199:260 200:244 201:39
202:632 203:429 204:305 205:166 206:196 207:171
208:82 209:129 210:182 211:13 212:148 213:5
216:132 217:12 218:22 219:12 220:16 222:5
223:6
End of report
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