[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Mar 6 22:10:45 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Mon 06 Mar, 2023
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 25053
Prefixes after maximum aggregation (per Origin AS): 12537
Deaggregation factor: 2.00
Unique aggregates announced (without unneeded subnets): 14163
Number of IPv4 prefixes with a valid ROA: 10626
Number of IPv4 prefixes with an invalid ROA: 244
Number of IPv4 prefixes with no ROA: 14183
Total ASes present in the Internet Routing Table: 2779
Prefixes per ASN: 9.02
Origin-only ASes present in the Internet Routing Table: 2394
Origin ASes announcing only one prefix: 1049
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 68
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
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: 41374
Number of 32-bit ASNs visible in the Routing Table: 638
Prefixes from 32-bit ASNs in the Routing Table: 4463
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 4
Number of addresses announced to Internet: 246433738
Equivalent to 14 /8s, 176 /16s and 71 /24s
Percentage of available address space announced: 6.7
Percentage of allocated address space announced: 6.7
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: 3323
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4722
Total APNIC prefixes after maximum aggregation: 2303
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4768
Unique aggregates announced from the APNIC address blocks: 2673
APNIC Region origin ASes present in the Internet Routing Table: 579
APNIC Prefixes per ASN: 8.23
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 5.7
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 225
Number of APNIC addresses announced to Internet: 45838912
Equivalent to 2 /8s, 187 /16s and 114 /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: 14318
Total ARIN prefixes after maximum aggregation: 6544
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 14130
Unique aggregates announced from the ARIN address blocks: 7388
ARIN Region origin ASes present in the Internet Routing Table: 1242
ARIN Prefixes per ASN: 11.38
ARIN Region origin ASes announcing only one prefix: 428
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 188
Number of ARIN addresses announced to Internet: 136012097
Equivalent to 8 /8s, 27 /16s and 97 /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: 3628
Total RIPE prefixes after maximum aggregation: 2880
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3770
Unique aggregates announced from the RIPE address blocks: 3088
RIPE Region origin ASes present in the Internet Routing Table: 687
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 306
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 145
Number of RIPE addresses announced to Internet: 58012416
Equivalent to 3 /8s, 117 /16s and 51 /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: 1356
Total LACNIC prefixes after maximum aggregation: 608
LACNIC Deaggregation factor: 2.23
Prefixes being announced from the LACNIC address blocks: 1359
Unique aggregates announced from the LACNIC address blocks: 729
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 8.71
LACNIC Region origin ASes announcing only one prefix: 53
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 4.1
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: 3948617
Equivalent to 0 /8s, 60 /16s and 64 /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: 1023
Total AfriNIC prefixes after maximum aggregation: 196
AfriNIC Deaggregation factor: 5.22
Prefixes being announced from the AfriNIC address blocks: 1022
Unique aggregates announced from the AfriNIC address blocks: 281
AfriNIC Region origin ASes present in the Internet Routing Table: 42
AfriNIC Prefixes per ASN: 24.33
AfriNIC Region origin ASes announcing only one prefix: 15
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 18
Number of AfriNIC addresses announced to Internet: 2620416
Equivalent to 0 /8s, 39 /16s and 252 /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 601 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 134 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 119 18 12 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2620 3586 356 GOOGLE-CLOUD-PLATFORM, US
16509 1948 1633 769 AMAZON-02, US
15169 797 2254 63 GOOGLE, US
14618 745 3994 553 AMAZON-AES, US
668 213 607 182 DNIC-AS-00668, US
376 199 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 153 507 92 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 177 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 180 208 44 Rede Nacional de Ensino e Pesquisa, BR
27947 115 0 87 Telconet S.A, EC
11340 114 25 50 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 57 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 45 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 378 319 72 TENET-1, ZA
36914 249 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 61 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
37182 32 8 1 TERNET, TZ
327700 32 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2620 3586 356 GOOGLE-CLOUD-PLATFORM, US
16509 1948 1633 769 AMAZON-02, US
15169 797 2254 63 GOOGLE, US
14618 745 3994 553 AMAZON-AES, US
2907 601 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 378 319 72 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 249 82 3 KENET-AS, KE
668 213 607 182 DNIC-AS-00668, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 1948 1179 AMAZON-02, US
15169 797 734 GOOGLE, US
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 378 306 TENET-1, ZA
36914 249 246 KENET-AS, KE
5786 199 198 UPRENET, PR
14618 745 192 AMAZON-AES, US
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 177 173 ISU Internet Services Unit ISU, SA
2907 601 137 SINET-AS Research Organization of Information a
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
64507 DOCUMENT 170.79.91.8/29 27817 Red Nacional Academica de Te
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 27750 Cooperacion Latino Americana de Redes Av
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
216.169.147.0/24 Origin: 14618 AMAZON-AES, US
216.169.147.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /10:2 /11:4 /12:20
/13:34 /14:81 /15:161 /16:2132 /17:493 /18:485
/19:723 /20:2801 /21:1049 /22:1641 /23:1724 /24:13267
/25:91 /26:62 /27:99 /28:27 /29:78 /30:39
/31:30 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 281 1948 AMAZON-02, US
15169 272 797 GOOGLE, US
14618 247 745 AMAZON-AES, US
36914 236 249 KENET-AS, KE
396982 181 2620 GOOGLE-CLOUD-PLATFORM, US
8895 172 177 ISU Internet Services Unit ISU, SA
27947 92 115 Telconet S.A, EC
32440 79 104 LONI, US
23024 52 113 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:64 5:17 6:4 8:28 12:1
13:44 14:89 15:64 16:29 18:47 23:114
24:3 31:10 34:8 35:48 37:1 38:9
40:1 41:138 42:10 44:5 45:47 46:10
47:1 49:7 50:1 52:555 54:229 58:1
59:20 60:4 61:3 62:12 63:36 64:162
65:13 66:65 67:60 68:10 69:35 70:42
71:3 72:15 74:145 76:45 77:11 78:3
79:10 80:17 81:28 82:6 83:6 84:9
85:47 86:5 87:2 88:1 89:17 91:55
92:3 93:4 94:4 95:2 96:7 97:1
98:11 99:46 101:7 102:13 103:335 104:204
107:33 108:98 109:13 110:2 111:16 114:31
115:1 116:8 117:61 118:32 119:21 121:28
122:8 123:8 124:39 125:4 128:86 129:44
130:140 131:62 132:51 133:157 134:102 135:4
136:282 137:106 138:10 139:18 140:53 141:4
142:249 143:28 144:39 145:2 146:145 147:67
148:48 149:16 150:130 151:12 152:81 153:14
154:30 155:65 156:70 157:39 158:41 159:148
160:27 161:31 162:63 163:84 164:20 165:54
166:1 167:22 168:161 169:14 170:106 171:1
172:113 173:111 174:2 175:31 176:11 177:9
178:1 179:9 180:14 182:1 184:3 185:89
186:3 187:19 188:19 189:3 190:5 191:36
192:1489 193:352 194:130 195:88 196:166 197:152
198:515 199:334 200:209 201:35 202:629 203:429
204:367 205:156 206:202 207:183 208:127 209:160
210:186 211:17 212:171 213:15 214:8 216:161
217:12 218:22 219:6 220:17 222:5 223:4
End of report
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