[REN-BGP-stats-all] Global R&E Routing Table Report - CENIC R&E view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Aug 21 22:06:01 UTC 2021
Global R&E Routing Table Report 22:05 GMT Sat 21 Aug, 2021
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/
Analysis Summary
----------------
BGP routing table entries examined: 21814
Prefixes after maximum aggregation (per Origin AS): 12101
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 14341
Total ASes present in the Internet Routing Table: 2776
Prefixes per ASN: 7.86
Origin-only ASes present in the Internet Routing Table: 2381
Origin ASes announcing only one prefix: 1098
Transit ASes present in the Internet Routing Table: 395
Transit-only ASes present in the Internet Routing Table: 72
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 15
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 23
Number of instances of unregistered ASNs: 23
Number of 32-bit ASNs allocated by the RIRs: 36968
Number of 32-bit ASNs visible in the Routing Table: 601
Prefixes from 32-bit ASNs in the Routing Table: 1741
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: 6
Number of addresses announced to Internet: 289253120
Equivalent to 17 /8s, 61 /16s and 167 /24s
Percentage of available address space announced: 7.8
Percentage of allocated address space announced: 7.8
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: 2642
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4667
Total APNIC prefixes after maximum aggregation: 2310
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4728
Unique aggregates announced from the APNIC address blocks: 2702
APNIC Region origin ASes present in the Internet Routing Table: 564
APNIC Prefixes per ASN: 8.38
APNIC Region origin ASes announcing only one prefix: 237
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 213
Number of APNIC addresses announced to Internet: 46886400
Equivalent to 2 /8s, 203 /16s and 110 /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, 131072-147769
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: 11675
Total ARIN prefixes after maximum aggregation: 6332
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 11552
Unique aggregates announced from the ARIN address blocks: 7764
ARIN Region origin ASes present in the Internet Routing Table: 1257
ARIN Prefixes per ASN: 9.19
ARIN Region origin ASes announcing only one prefix: 451
ARIN Region transit ASes present in the Internet Routing Table: 166
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: 162
Number of ARIN addresses announced to Internet: 175315968
Equivalent to 10 /8s, 115 /16s and 28 /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: 3170
Total RIPE prefixes after maximum aggregation: 2697
RIPE Deaggregation factor: 1.18
Prefixes being announced from the RIPE address blocks: 3246
Unique aggregates announced from the RIPE address blocks: 2823
RIPE Region origin ASes present in the Internet Routing Table: 653
RIPE Prefixes per ASN: 4.97
RIPE Region origin ASes announcing only one prefix: 317
RIPE Region transit ASes present in the Internet Routing Table: 104
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: 126
Number of RIPE addresses announced to Internet: 59534592
Equivalent to 3 /8s, 140 /16s and 109 /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: 1445
Total LACNIC prefixes after maximum aggregation: 586
LACNIC Deaggregation factor: 2.47
Prefixes being announced from the LACNIC address blocks: 1445
Unique aggregates announced from the LACNIC address blocks: 815
LACNIC Region origin ASes present in the Internet Routing Table: 176
LACNIC Prefixes per ASN: 8.21
LACNIC Region origin ASes announcing only one prefix: 70
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 75
Number of LACNIC addresses announced to Internet: 4713728
Equivalent to 0 /8s, 71 /16s and 237 /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: 834
Total AfriNIC prefixes after maximum aggregation: 159
AfriNIC Deaggregation factor: 5.25
Prefixes being announced from the AfriNIC address blocks: 837
Unique aggregates announced from the AfriNIC address blocks: 231
AfriNIC Region origin ASes present in the Internet Routing Table: 49
AfriNIC Prefixes per ASN: 17.08
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.1
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: 2800896
Equivalent to 0 /8s, 42 /16s and 189 /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 606 2155 455 SINET-AS Research Organization of Infor
7497 435 214 25 CSTNET-AS-AP Computer Network Informati
1237 185 74 135 KREONET-AS-KR KISTI, KR
7575 179 330 125 AARNET-AS-AP Australian Academic and Re
58647 164 18 2 KAGAWAU-AS Kagawa University, JP
4538 125 4192 72 ERX-CERNET-BKB China Education and Rese
55824 114 18 11 NKN-CORE-NW NKN Core Network, IN
4621 81 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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 2384 4248 832 AMAZON-02, US
14618 510 3967 380 AMAZON-AES, US
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 206 698 178 DNIC-AS-00668, US
8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US
5786 201 16 1 UPRENET, PR
2152 159 507 88 CSUNET-NW, US
18558 137 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
786 186 1763 184 JANET Jisc Services Limited, GB
559 116 550 107 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 66 647 61 FR-RENATER Reseau National de telecommu
2614 62 32 59 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
1653 52 151 49 SUNET SUNET Swedish University Network,
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 179 207 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 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 44 17 2 Associacao Antonio Vieira - Unisinos, B
4270 42 16 1 Red de Interconexion Universitaria, AR
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
2018 337 319 74 TENET-1, ZA
327687 134 28 3 RENU, UG
36914 97 82 3 KENET-AS, KE
8094 55 48 4 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37182 12 8 1 TERNET, TZ
37074 11 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
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 2384 4248 832 AMAZON-02, US
2907 606 2155 455 SINET-AS Research Organization of Infor
14618 510 3967 380 AMAZON-AES, US
7497 435 214 25 CSTNET-AS-AP Computer Network Informati
2018 337 319 74 TENET-1, ZA
680 273 1996 235 DFN Verein zur Foerderung eines Deutsch
7896 241 51 7 NU-AS, US
376 234 180 158 RISQ-AS, CA
668 206 698 178 DNIC-AS-00668, US
8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, 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 435 410 CSTNET-AS-AP Computer Network Information Cente
2018 337 263 TENET-1, ZA
7896 241 234 NU-AS, US
5786 201 200 UPRENET, PR
58647 164 162 KAGAWAU-AS Kagawa University, JP
2907 606 151 SINET-AS Research Organization of Information a
1916 179 138 Associacao Rede Nacional de Ensino e Pesquisa,
18558 137 133 NETBLK-RCOEK, US
327687 134 131 RENU, UG
14618 510 130 AMAZON-AES, US
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
14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US
14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US
14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US
14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, 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
192.107.242.0/24 Origin: 394784 UNASSIGNED
Transit: 40831 PHS, US
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
Transit: 16509 AMAZON-02, US
205.166.145.0/24 Origin: 394784 UNASSIGNED
Transit: 40831 PHS, 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 /12:29
/13:34 /14:81 /15:194 /16:2149 /17:443 /18:454
/19:625 /20:991 /21:1003 /22:1552 /23:1679 /24:12568
/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 639 2384 AMAZON-02, US
14618 167 510 AMAZON-AES, US
36914 84 97 KENET-AS, KE
23024 53 114 OCDE, US
327700 33 39 MoRENet, MZ
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
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
Complete listing at https://bgp.nsrc.org/REN/CENIC/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:5 3:76 4:2 5:16 6:4 8:2
12:1 13:208 14:84 15:23 18:41 23:29
24:6 31:6 35:1 37:6 38:9 40:2
41:145 42:25 44:5 45:70 46:10 47:1
49:10 50:8 52:631 54:139 58:2 59:20
60:4 61:3 62:6 63:42 64:126 65:12
66:69 67:57 68:18 69:47 70:7 71:9
72:19 74:40 75:128 76:164 77:8 78:3
79:10 80:14 81:29 82:5 83:7 84:4
85:37 86:9 87:1 88:1 89:10 91:49
92:1 93:19 94:4 95:6 96:6 97:1
98:8 99:173 101:2 102:9 103:306 104:111
106:1 107:24 108:21 109:8 110:3 111:21
112:4 113:1 114:23 116:5 117:61 118:32
119:19 121:26 122:11 123:8 124:42 125:10
128:81 129:180 130:118 131:109 132:60 133:137
134:97 135:1 136:205 137:151 138:11 139:16
140:51 141:3 142:61 143:41 144:63 146:126
147:66 148:167 149:16 150:47 151:8 152:77
153:11 154:25 155:57 156:66 157:29 158:48
159:120 160:32 161:20 162:54 163:69 164:31
165:60 166:1 167:21 168:165 169:10 170:111
171:1 172:10 173:24 174:1 175:31 176:12
177:10 178:3 179:13 180:21 181:11 182:6
184:7 185:50 186:3 187:18 188:14 189:6
190:48 191:36 192:1501 193:204 194:123 195:60
196:174 197:5 198:540 199:310 200:256 201:39
202:636 203:431 204:387 205:203 206:199 207:191
208:94 209:138 210:185 211:14 212:40 213:13
214:7 216:109 217:15 218:26 219:8 220:16
222:4 223:2
End of report
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