[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Mar 31 20:15:31 UTC 2022
IPv4 R&E Routing Table Report 20:15 GMT Thu 31 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: 20186
Prefixes after maximum aggregation (per Origin AS): 10928
Deaggregation factor: 1.85
Unique aggregates announced (without unneeded subnets): 12127
Number of IPv4 prefixes with a valid ROA: 5258
Number of IPv4 prefixes with an invalid ROA: 45
Number of IPv4 prefixes with no ROA: 14883
Total ASes present in the Internet Routing Table: 2765
Prefixes per ASN: 7.30
Origin-only ASes present in the Internet Routing Table: 2384
Origin ASes announcing only one prefix: 1075
Transit ASes present in the Internet Routing Table: 381
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: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 38950
Number of 32-bit ASNs visible in the Routing Table: 614
Prefixes from 32-bit ASNs in the Routing Table: 1679
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: 263474259
Equivalent to 15 /8s, 180 /16s and 76 /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: 2565
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5107
Total APNIC prefixes after maximum aggregation: 2411
APNIC Deaggregation factor: 2.12
Prefixes being announced from the APNIC address blocks: 4987
Unique aggregates announced from the APNIC address blocks: 2696
APNIC Region origin ASes present in the Internet Routing Table: 584
APNIC Prefixes per ASN: 8.54
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 72
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: 227
Number of APNIC addresses announced to Internet: 47496044
Equivalent to 2 /8s, 212 /16s and 187 /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: 9170
Total ARIN prefixes after maximum aggregation: 4925
ARIN Deaggregation factor: 1.86
Prefixes being announced from the ARIN address blocks: 9230
Unique aggregates announced from the ARIN address blocks: 5521
ARIN Region origin ASes present in the Internet Routing Table: 1218
ARIN Prefixes per ASN: 7.58
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 155
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: 148764417
Equivalent to 8 /8s, 221 /16s and 247 /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: 3593
Total RIPE prefixes after maximum aggregation: 2833
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3655
Unique aggregates announced from the RIPE address blocks: 2865
RIPE Region origin ASes present in the Internet Routing Table: 676
RIPE Prefixes per ASN: 5.41
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 101
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: 131
Number of RIPE addresses announced to Internet: 59691718
Equivalent to 3 /8s, 142 /16s and 210 /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: 1412
Total LACNIC prefixes after maximum aggregation: 562
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1411
Unique aggregates announced from the LACNIC address blocks: 750
LACNIC Region origin ASes present in the Internet Routing Table: 162
LACNIC Prefixes per ASN: 8.71
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 22
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: 62
Number of LACNIC addresses announced to Internet: 4663072
Equivalent to 0 /8s, 71 /16s and 39 /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: 898
Total AfriNIC prefixes after maximum aggregation: 191
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 901
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 17.33
AfriNIC Region origin ASes announcing only one prefix: 25
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: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2858496
Equivalent to 0 /8s, 43 /16s and 158 /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 630 2085 460 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
45102 249 433 89 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 190 4192 73 ERX-CERNET-BKB China Education and Rese
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
55824 116 18 12 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
6939 208 126 155 HURRICANE, US
8075 207 10885 187 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 202 178 151 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 151 507 91 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
270 120 329 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 1967 245 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 100 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 99 30 59 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 67 647 61 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 176 208 46 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 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 339 319 74 TENET-1, ZA
36914 218 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 40 28 3 RENU, UG
327700 36 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 630 2085 460 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 339 319 74 TENET-1, ZA
680 279 1967 245 DFN Verein zur Foerderung eines Deutsch
7896 252 51 7 NU-AS, US
45102 249 433 89 ALIBABA-CN-NET Alibaba US Technology Co
36914 218 82 3 KENET-AS, KE
6939 208 126 155 HURRICANE, US
8075 207 10885 187 MICROSOFT-CORP-MSN-AS-BLOCK, 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
7497 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 339 265 TENET-1, ZA
7896 252 245 NU-AS, US
36914 218 215 KENET-AS, KE
58647 201 199 KAGAWAU-AS Kagawa University, JP
5786 200 199 UPRENET, PR
8895 181 177 ISU Internet Services Unit ISU, SA
2907 630 170 SINET-AS Research Organization of Information a
45102 249 160 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
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 /16:2112 /17:451 /18:491
/19:717 /20:899 /21:914 /22:1479 /23:1642 /24:10841
/25:81 /26:55 /27:58 /28:28 /29:34 /30:19
/31:0 /32:61
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 274 739 GOOGLE, US
36914 205 218 KENET-AS, KE
8895 176 181 ISU Internet Services Unit ISU, SA
6939 95 208 HURRICANE, US
23024 53 114 OCDE, US
58647 34 201 KAGAWAU-AS Kagawa University, JP
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
327700 32 36 MoRENet, MZ
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)
----------------------------------------------
1:3 5:17 8:8 12:1 13:1 14:85
18:42 23:16 24:3 31:9 35:1 37:8
38:9 40:1 41:128 42:15 44:5 45:43
46:6 47:35 49:10 50:4 52:2 58:10
59:21 60:4 61:3 62:7 63:38 64:85
65:7 66:58 67:44 68:8 69:19 70:10
71:1 72:19 74:84 76:34 77:5 78:3
79:10 80:18 81:28 82:5 83:6 84:9
85:43 86:10 87:1 88:1 89:11 91:45
93:23 94:5 95:5 97:1 98:2 101:8
102:13 103:328 104:79 107:16 108:43 109:12
110:5 111:21 113:1 114:23 116:5 117:61
118:33 119:22 121:28 122:8 123:8 124:39
125:4 128:81 129:177 130:93 131:89 132:58
133:140 134:98 136:193 137:88 138:8 139:5
140:41 141:1 142:149 143:31 144:52 145:2
146:129 147:56 148:192 149:12 150:44 151:6
152:77 153:13 154:26 155:53 156:68 157:26
158:42 159:116 160:25 161:28 162:22 163:62
164:18 165:55 166:2 167:16 168:105 169:10
170:68 171:1 172:91 173:86 175:29 176:8
177:12 179:9 180:21 182:6 184:6 185:47
186:3 187:19 188:13 189:5 190:33 191:33
192:1413 193:308 194:145 195:84 196:164 197:123
198:484 199:265 200:234 201:39 202:633 203:429
204:334 205:166 206:196 207:172 208:81 209:128
210:183 211:15 212:145 213:5 216:130 217:12
218:22 219:12 220:16 222:6 223:6
End of report
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