[REN-BGP-stats-all] Global R&E Routing Table Report - CENIC R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Apr 16 22:15:15 UTC 2021
Global R&E Routing Table Report 22:15 GMT Fri 16 Apr, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/
Analysis Summary
----------------
BGP routing table entries examined: 22040
Prefixes after maximum aggregation (per Origin AS): 12055
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 14277
Total ASes present in the Internet Routing Table: 2782
Prefixes per ASN: 7.92
Origin-only ASes present in the Internet Routing Table: 2388
Origin ASes announcing only one prefix: 1106
Transit ASes present in the Internet Routing Table: 394
Transit-only ASes present in the Internet Routing Table: 60
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: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 35730
Number of 32-bit ASNs visible in the Routing Table: 590
Prefixes from 32-bit ASNs in the Routing Table: 1686
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: 280808192
Equivalent to 16 /8s, 188 /16s and 203 /24s
Percentage of available address space announced: 7.6
Percentage of allocated address space announced: 7.6
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: 3016
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4649
Total APNIC prefixes after maximum aggregation: 2355
APNIC Deaggregation factor: 1.97
Prefixes being announced from the APNIC address blocks: 4694
Unique aggregates announced from the APNIC address blocks: 2745
APNIC Region origin ASes present in the Internet Routing Table: 572
APNIC Prefixes per ASN: 8.21
APNIC Region origin ASes announcing only one prefix: 246
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 214
Number of APNIC addresses announced to Internet: 47212032
Equivalent to 2 /8s, 208 /16s and 102 /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, 131072-143673
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: 11338
Total ARIN prefixes after maximum aggregation: 6136
ARIN Deaggregation factor: 1.85
Prefixes being announced from the ARIN address blocks: 11242
Unique aggregates announced from the ARIN address blocks: 7561
ARIN Region origin ASes present in the Internet Routing Table: 1251
ARIN Prefixes per ASN: 8.99
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 150
Number of ARIN addresses announced to Internet: 166268416
Equivalent to 9 /8s, 233 /16s and 14 /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: 3379
Total RIPE prefixes after maximum aggregation: 2757
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3441
Unique aggregates announced from the RIPE address blocks: 2831
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 317
RIPE Region transit ASes present in the Internet Routing Table: 109
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 129
Number of RIPE addresses announced to Internet: 59870464
Equivalent to 3 /8s, 145 /16s and 141 /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: 1411
Total LACNIC prefixes after maximum aggregation: 587
LACNIC Deaggregation factor: 2.40
Prefixes being announced from the LACNIC address blocks: 1410
Unique aggregates announced from the LACNIC address blocks: 814
LACNIC Region origin ASes present in the Internet Routing Table: 175
LACNIC Prefixes per ASN: 8.06
LACNIC Region origin ASes announcing only one prefix: 71
LACNIC Region transit ASes present in the Internet Routing Table: 27
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: 74
Number of LACNIC addresses announced to Internet: 4652288
Equivalent to 0 /8s, 70 /16s and 253 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 1248
Total AfriNIC prefixes after maximum aggregation: 206
AfriNIC Deaggregation factor: 6.06
Prefixes being announced from the AfriNIC address blocks: 1251
Unique aggregates announced from the AfriNIC address blocks: 324
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 25.02
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 23
Number of AfriNIC addresses announced to Internet: 2804480
Equivalent to 0 /8s, 42 /16s and 203 /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 608 2156 456 SINET-AS Research Organization of Infor
7497 443 233 33 CSTNET-AS-AP Computer Network Informati
7575 186 347 132 AARNET-AS-AP Australian Academic and Re
1237 183 75 132 KREONET-AS-KR KISTI, KR
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 19 22 NKN-CORE-NW NKN Core Network, IN
4538 123 4192 72 ERX-CERNET-BKB China Education and Rese
4621 82 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 57 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2123 4061 710 AMAZON-02, US
14618 465 3980 342 AMAZON-AES, US
7896 261 51 7 NU-AS, US
376 236 180 158 RISQ-AS, CA
668 209 718 175 DNIC-AS-00668, US
5786 201 16 1 UPRENET, PR
8075 194 9141 180 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 162 507 95 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 117 297 87 AS270, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
786 187 1787 185 JANET Jisc Services Limited, GB
8895 140 24 4 ISU Internet Services Unit (ISU), SA
559 115 550 106 SWITCH Peering requests: (peering at switc
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 67 647 62 FR-RENATER Reseau National de telecommu
2614 62 32 59 ROEDUNET, RO
1930 56 82 51 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 178 215 41 Associacao Rede Nacional de Ensino e Pe
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
1251 67 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
61468 41 3 15 CEDIA, EC
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/CENIC/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 404 82 3 KENET-AS, KE
2018 325 319 74 TENET-1, ZA
327687 136 28 3 RENU, UG
327700 85 16 1 MoRENet, MZ
2561 74 5 34 EUN, EG
8094 55 48 4 PUKNET, ZA
37215 29 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 20 2 16 TERNET, TZ
37074 11 8 2 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 2123 4061 710 AMAZON-02, US
2907 608 2156 456 SINET-AS Research Organization of Infor
14618 465 3980 342 AMAZON-AES, US
7497 443 233 33 CSTNET-AS-AP Computer Network Informati
36914 404 82 3 KENET-AS, KE
2018 325 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 261 51 7 NU-AS, US
376 236 180 158 RISQ-AS, CA
668 209 718 175 DNIC-AS-00668, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 443 410 CSTNET-AS-AP Computer Network Information Cente
36914 404 401 KENET-AS, KE
7896 261 254 NU-AS, US
2018 325 251 TENET-1, ZA
5786 201 200 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
2907 608 152 SINET-AS Research Organization of Information a
1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa,
8895 140 136 ISU Internet Services Unit (ISU), SA
327687 136 133 RENU, UG
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US
19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 108.59.23.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 131.91.252.0/22 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US
36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
36843 UNALLOCATED 162.223.23.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-badAS
Prefixes from private and non-routed address space (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/CENIC/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
192.31.196.0/24 Origin: 112 UNASSIGNED
Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Transit: 11537 INTERNET2-RESEARCH-EDU, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/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 /11:7 /12:21
/13:33 /14:81 /15:194 /16:2161 /17:448 /18:454
/19:629 /20:953 /21:1019 /22:1558 /23:1651 /24:12826
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 597 2123 AMAZON-02, US
36914 376 404 KENET-AS, KE
14618 150 465 AMAZON-AES, US
8895 135 140 ISU Internet Services Unit (ISU), SA
327700 79 85 MoRENet, MZ
23024 53 114 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
18632 29 55 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 3:55 4:2 5:15 6:4 8:2
12:1 13:211 14:84 15:10 18:41 23:21
24:6 31:6 34:1 35:1 37:6 38:9
40:3 41:287 42:24 44:5 45:67 46:9
47:1 49:10 50:7 52:581 54:108 58:2
59:20 60:4 61:4 62:7 63:38 64:113
65:13 66:56 67:58 68:18 69:42 70:5
71:9 72:19 74:38 75:128 76:166 77:6
78:3 79:10 80:14 81:33 82:4 83:8
84:5 85:36 86:9 87:1 88:2 89:11
91:56 92:1 93:13 94:4 95:4 96:5
97:1 98:8 99:172 101:6 102:8 103:313
104:103 106:1 107:24 108:21 109:8 110:3
111:17 112:4 114:23 115:1 116:6 117:63
118:35 119:18 121:29 122:12 123:8 124:40
125:10 128:78 129:225 130:105 131:113 132:58
133:137 134:91 135:1 136:204 137:162 138:14
139:16 140:50 141:3 142:61 143:38 144:77
146:125 147:69 148:168 149:16 150:45 151:7
152:77 153:11 154:25 155:58 156:64 157:29
158:47 159:117 160:33 161:19 162:49 163:68
164:48 165:19 166:1 167:17 168:155 169:9
170:109 171:1 172:5 173:24 174:1 175:32
176:11 177:7 178:2 179:13 180:21 181:11
182:6 184:3 185:48 186:3 187:18 188:14
189:6 190:44 191:31 192:1486 193:252 194:142
195:103 196:170 197:197 198:529 199:305 200:251
201:39 202:600 203:408 204:385 205:206 206:198
207:191 208:87 209:136 210:174 211:14 212:167
213:13 214:7 216:88 217:16 218:26 219:8
220:24 222:4 223:1
End of report
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