[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Aug 18 20:15:40 UTC 2022
IPv4 R&E Routing Table Report 20:15 GMT Thu 18 Aug, 2022
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: 20335
Prefixes after maximum aggregation (per Origin AS): 11133
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 12408
Number of IPv4 prefixes with a valid ROA: 5602
Number of IPv4 prefixes with an invalid ROA: 74
Number of IPv4 prefixes with no ROA: 14659
Total ASes present in the Internet Routing Table: 2817
Prefixes per ASN: 7.22
Origin-only ASes present in the Internet Routing Table: 2417
Origin ASes announcing only one prefix: 1092
Transit ASes present in the Internet Routing Table: 400
Transit-only ASes present in the Internet Routing Table: 75
Paths with bogon ASNs present in the IPv4 Routing Table: 2
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: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 40007
Number of 32-bit ASNs visible in the Routing Table: 643
Prefixes from 32-bit ASNs in the Routing Table: 1805
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: 264839443
Equivalent to 15 /8s, 201 /16s and 33 /24s
Percentage of available address space announced: 7.2
Percentage of allocated address space announced: 7.2
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: 2682
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5060
Total APNIC prefixes after maximum aggregation: 2413
APNIC Deaggregation factor: 2.10
Prefixes being announced from the APNIC address blocks: 4929
Unique aggregates announced from the APNIC address blocks: 2717
APNIC Region origin ASes present in the Internet Routing Table: 588
APNIC Prefixes per ASN: 8.38
APNIC Region origin ASes announcing only one prefix: 254
APNIC Region transit ASes present in the Internet Routing Table: 74
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 229
Number of APNIC addresses announced to Internet: 47756140
Equivalent to 2 /8s, 216 /16s and 179 /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: 9196
Total ARIN prefixes after maximum aggregation: 5031
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 9269
Unique aggregates announced from the ARIN address blocks: 5602
ARIN Region origin ASes present in the Internet Routing Table: 1243
ARIN Prefixes per ASN: 7.46
ARIN Region origin ASes announcing only one prefix: 441
ARIN Region transit ASes present in the Internet Routing Table: 164
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: 184
Number of ARIN addresses announced to Internet: 149827905
Equivalent to 8 /8s, 238 /16s and 49 /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: 3678
Total RIPE prefixes after maximum aggregation: 2891
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3736
Unique aggregates announced from the RIPE address blocks: 2985
RIPE Region origin ASes present in the Internet Routing Table: 696
RIPE Prefixes per ASN: 5.37
RIPE Region origin ASes announcing only one prefix: 310
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: 138
Number of RIPE addresses announced to Internet: 59751238
Equivalent to 3 /8s, 143 /16s and 187 /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: 1452
Total LACNIC prefixes after maximum aggregation: 580
LACNIC Deaggregation factor: 2.50
Prefixes being announced from the LACNIC address blocks: 1453
Unique aggregates announced from the LACNIC address blocks: 792
LACNIC Region origin ASes present in the Internet Routing Table: 162
LACNIC Prefixes per ASN: 8.97
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 25
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: 4742176
Equivalent to 0 /8s, 72 /16s and 92 /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: 943
Total AfriNIC prefixes after maximum aggregation: 212
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 946
Unique aggregates announced from the AfriNIC address blocks: 310
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 19.71
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25
Number of AfriNIC addresses announced to Internet: 2761472
Equivalent to 0 /8s, 42 /16s and 35 /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 577 2156 457 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
45102 282 475 90 ALIBABA-CN-NET Alibaba US Technology Co
1237 192 74 134 KREONET-AS-KR KISTI, KR
4538 189 4192 73 ERX-CERNET-BKB China Education and Rese
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 174 329 120 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 750 3282 69 GOOGLE, US
8075 254 10848 217 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 200 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
2152 160 507 92 CSUNET-NW, US
6939 160 120 111 HURRICANE, US
18558 135 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 114 7 17 OCDE, US
2920 111 34 7 LACOE, 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
680 283 1951 250 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 178 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
2614 95 27 75 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 63 583 58 FR-RENATER Reseau National de telecommu
3267 63 64 27 RUNNET, RU
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 44 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
61468 46 3 15 CEDIA, EC
4270 42 16 1 Red de Interconexion Universitaria, AR
28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28614 37 2 2 Fundacao Universidade Regional de Blume
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 375 319 73 TENET-1, ZA
36914 229 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 38 28 3 RENU, UG
327700 34 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 19 1 13 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 750 3282 69 GOOGLE, US
2907 577 2156 457 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 375 319 73 TENET-1, ZA
680 283 1951 250 DFN Verein zur Foerderung eines Deutsch
45102 282 475 90 ALIBABA-CN-NET Alibaba US Technology Co
8075 254 10848 217 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 229 82 3 KENET-AS, KE
5786 200 16 1 UPRENET, PR
376 198 178 148 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 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 375 302 TENET-1, ZA
36914 229 226 KENET-AS, KE
5786 200 199 UPRENET, PR
45102 282 192 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
8895 178 174 ISU Internet Services Unit ISU, SA
58647 175 173 KAGAWAU-AS Kagawa University, JP
1916 176 132 Rede Nacional de Ensino e Pesquisa, BR
18558 135 131 NETBLK-RCOEK, US
2907 577 120 SINET-AS Research Organization of Information a
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
/13:37 /14:82 /15:151 /16:2127 /17:464 /18:504
/19:736 /20:905 /21:909 /22:1483 /23:1643 /24:10947
/25:87 /26:56 /27:87 /28:19 /29:18 /30:19
/31:0 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 275 750 GOOGLE, US
36914 216 229 KENET-AS, KE
8895 173 178 ISU Internet Services Unit ISU, SA
32440 74 89 LONI, US
6939 63 160 HURRICANE, US
23024 53 114 OCDE, US
8075 37 254 MICROSOFT-CORP-MSN-AS-BLOCK, US
18632 34 63 VOLCANO-VISION, US
46115 32 35 LUTHER, US
25977 31 45 HCCS, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:18 8:8 12:1 13:1 14:86
18:43 23:14 24:3 31:7 34:2 35:5
37:8 38:9 40:1 41:131 42:15 43:1
44:5 45:39 46:5 47:40 49:10 50:4
52:2 58:11 59:21 60:4 61:3 62:15
63:39 64:83 65:8 66:44 67:46 68:8
69:20 70:11 71:1 72:16 74:117 76:37
77:7 78:4 79:10 80:20 81:27 82:7
83:6 84:9 85:46 86:10 87:1 88:1
89:10 91:48 92:1 93:10 94:8 95:4
96:5 97:1 98:2 101:8 102:13 103:325
104:76 107:16 108:43 109:10 110:6 111:17
113:4 114:23 116:6 117:61 118:33 119:24
121:29 122:8 123:8 124:39 125:4 128:86
129:38 130:90 131:80 132:59 133:145 134:100
136:200 137:74 138:12 139:5 140:46 141:1
142:156 143:31 144:25 145:2 146:130 147:55
148:192 149:12 150:132 151:6 152:78 153:13
154:28 155:53 156:66 157:23 158:41 159:116
160:26 161:28 162:22 163:71 164:10 165:57
166:1 167:17 168:120 169:10 170:68 172:91
173:86 175:31 176:8 177:11 178:1 179:7
180:18 181:1 182:4 184:6 185:61 186:3
187:19 188:13 189:3 190:34 191:36 192:1439
193:314 194:152 195:94 196:160 197:133 198:526
199:265 200:222 201:38 202:631 203:438 204:354
205:127 206:194 207:171 208:88 209:133 210:183
211:13 212:175 213:5 216:122 217:12 218:22
219:12 220:17 222:6 223:8
End of report
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