[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jan 11 22:10:40 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Thu 11 Jan, 2024
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: 25586
Prefixes after maximum aggregation (per Origin AS): 12493
Deaggregation factor: 2.05
Unique aggregates announced (without unneeded subnets): 14136
Number of IPv4 prefixes with a valid ROA: 12706
Number of IPv4 prefixes with an invalid ROA: 185
Number of IPv4 prefixes with no ROA: 12695
Total ASes present in the Internet Routing Table: 2750
Prefixes per ASN: 9.30
Origin-only ASes present in the Internet Routing Table: 2369
Origin ASes announcing only one prefix: 1061
Transit ASes present in the Internet Routing Table: 381
Transit-only ASes present in the Internet Routing Table: 72
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 16
Max AS path prepend of ASN ( 47805) 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: 43351
Number of 32-bit ASNs visible in the Routing Table: 658
Prefixes from 32-bit ASNs in the Routing Table: 4803
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: 3
Number of addresses announced to Internet: 236767856
Equivalent to 14 /8s, 28 /16s and 202 /24s
Percentage of available address space announced: 6.4
Percentage of allocated address space announced: 6.4
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: 3633
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4630
Total APNIC prefixes after maximum aggregation: 2266
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4681
Unique aggregates announced from the APNIC address blocks: 2624
APNIC Region origin ASes present in the Internet Routing Table: 541
APNIC Prefixes per ASN: 8.65
APNIC Region origin ASes announcing only one prefix: 234
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 209
Number of APNIC addresses announced to Internet: 45499712
Equivalent to 2 /8s, 182 /16s and 69 /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, 131072-153913
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: 14442
Total ARIN prefixes after maximum aggregation: 6418
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 14244
Unique aggregates announced from the ARIN address blocks: 7231
ARIN Region origin ASes present in the Internet Routing Table: 1230
ARIN Prefixes per ASN: 11.58
ARIN Region origin ASes announcing only one prefix: 436
ARIN Region transit ASes present in the Internet Routing Table: 162
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 202
Number of ARIN addresses announced to Internet: 126763393
Equivalent to 7 /8s, 142 /16s and 65 /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: 3677
Total RIPE prefixes after maximum aggregation: 2933
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3831
Unique aggregates announced from the RIPE address blocks: 3180
RIPE Region origin ASes present in the Internet Routing Table: 690
RIPE Prefixes per ASN: 5.55
RIPE Region origin ASes announcing only one prefix: 311
RIPE Region transit ASes present in the Internet Routing Table: 102
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 151
Number of RIPE addresses announced to Internet: 57814272
Equivalent to 3 /8s, 114 /16s and 45 /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
196608-216475
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: 1515
Total LACNIC prefixes after maximum aggregation: 686
LACNIC Deaggregation factor: 2.21
Prefixes being announced from the LACNIC address blocks: 1519
Unique aggregates announced from the LACNIC address blocks: 868
LACNIC Region origin ASes present in the Internet Routing Table: 164
LACNIC Prefixes per ASN: 9.26
LACNIC Region origin ASes announcing only one prefix: 54
LACNIC Region transit ASes present in the Internet Routing Table: 28
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4036015
Equivalent to 0 /8s, 61 /16s and 149 /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: 1307
Total AfriNIC prefixes after maximum aggregation: 178
AfriNIC Deaggregation factor: 7.34
Prefixes being announced from the AfriNIC address blocks: 1308
Unique aggregates announced from the AfriNIC address blocks: 230
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 26.16
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2653696
Equivalent to 0 /8s, 40 /16s and 126 /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 602 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 196 74 142 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 128 19 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart 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 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US
16509 2178 1648 894 AMAZON-02, US
14618 856 4032 646 AMAZON-AES, US
15169 833 1997 60 GOOGLE, US
376 201 162 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 165 12 38 GOOGLEWIFI, US
2152 146 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, 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 1899 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 158 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 81 676 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
3267 79 44 68 RUNNET, RU
553 77 462 77 BELWUE BelWue-Koordination, DE
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 173 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
27947 120 0 94 Telconet S.A, EC
11340 116 25 53 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 42 67 32 Fundacao Carlos Chagas Filho de Amparo
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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
36914 523 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
327687 158 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 46 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
37215 10 8 1 MAREN, MW
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 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US
16509 2178 1648 894 AMAZON-02, US
14618 856 4032 646 AMAZON-AES, US
15169 833 1997 60 GOOGLE, US
2907 602 2162 466 SINET-AS Research Organization of Infor
36914 523 82 3 KENET-AS, KE
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
376 201 162 151 RISQ-AS, CA
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 2178 1284 AMAZON-02, US
15169 833 773 GOOGLE, US
36914 523 520 KENET-AS, KE
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
14618 856 210 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 158 155 RENU, UG
8895 158 153 ISU Internet Services Unit ISU, SA
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
26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
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
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 /10:1 /11:4 /12:19
/13:34 /14:79 /15:160 /16:2068 /17:507 /18:495
/19:725 /20:2793 /21:1049 /22:1673 /23:1741 /24:13839
/25:84 /26:56 /27:73 /28:21 /29:84 /30:37
/31:34 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 508 523 KENET-AS, KE
16509 305 2178 AMAZON-02, US
14618 282 856 AMAZON-AES, US
15169 277 833 GOOGLE, US
396982 205 2746 GOOGLE-CLOUD-PLATFORM, US
8895 153 158 ISU Internet Services Unit ISU, SA
27947 97 120 Telconet S.A, EC
32440 81 113 LONI, US
23024 52 109 OCDE, US
327700 40 46 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:82 5:21 8:28 12:1 13:45
14:89 15:70 16:112 18:66 23:111 24:3
31:9 34:23 35:51 38:9 40:5 41:228
42:10 43:2 44:9 45:60 46:11 47:1
49:9 50:3 52:555 54:212 58:1 59:19
60:5 61:3 62:11 63:35 64:165 65:12
66:73 67:61 68:14 69:40 70:44 71:3
72:13 74:145 76:47 77:11 78:3 79:10
80:13 81:25 82:7 83:7 84:10 85:48
86:4 87:4 88:1 89:19 91:58 92:5
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:3 102:39 103:298 104:220 107:33
108:105 109:10 111:16 114:32 115:1 116:10
117:61 118:32 119:18 121:27 122:8 123:8
124:40 125:5 128:85 129:48 130:138 131:68
132:52 133:155 134:109 135:3 136:297 137:150
138:58 139:17 140:38 141:7 142:284 143:22
144:39 145:3 146:144 147:68 148:202 149:17
150:44 151:16 152:134 153:14 154:29 155:73
156:68 157:24 158:39 159:148 160:30 161:28
162:92 163:86 164:23 165:53 166:1 167:24
168:152 169:11 170:141 171:1 172:114 173:118
174:2 175:18 176:11 177:6 178:1 179:9
180:15 182:1 184:2 185:106 186:3 187:17
188:20 189:3 190:3 191:13 192:1394 193:286
194:124 195:92 196:201 197:323 198:455 199:307
200:268 201:35 202:620 203:423 204:372 205:150
206:205 207:173 208:137 209:166 210:194 211:14
212:160 213:15 216:173 217:12 218:22 219:5
220:15 222:2 223:14
End of report
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