[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CANARIE (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Oct 31 22:30:37 UTC 2023


IPv4 R&E Routing Table Report   22:30 GMT Tue 31 Oct, 2023

  IPv4 BGP Table (R&E) as seen at CANARIE.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/CANARIE/

Analysis Summary
----------------

BGP routing table entries examined:                               19082
    Prefixes after maximum aggregation (per Origin AS):           10786
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11840
    Number of IPv4 prefixes with a valid ROA:                      5221
    Number of IPv4 prefixes with an invalid ROA:                     80
    Number of IPv4 prefixes with no ROA:                          13781
Total ASes present in the Internet Routing Table:                  2801
    Prefixes per ASN:                                              6.81
Origin-only ASes present in the Internet Routing Table:            2416
Origin ASes announcing only one prefix:                            1068
Transit ASes present in the Internet Routing Table:                 385
Transit-only ASes present in the Internet Routing Table:             70
Paths with bogon ASNs present in the IPv4 Routing Table:             93
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                91
    Number of instances of unregistered ASNs:                        91
Number of 32-bit ASNs allocated by the RIRs:                      42955
Number of 32-bit ASNs visible in the Routing Table:                 644
Prefixes from 32-bit ASNs in the Routing Table:                    1965
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:                    206494052
    Equivalent to 12 /8s, 78 /16s and 217 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        2249

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4683
    Total APNIC prefixes after maximum aggregation:                2291
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4681
    Unique aggregates announced from the APNIC address blocks:     2600
APNIC Region origin ASes present in the Internet Routing Table:     540
    APNIC Prefixes per ASN:                                        8.67
APNIC Region origin ASes announcing only one prefix:                226
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    204
Number of APNIC addresses announced to Internet:               45567084
    Equivalent to 2 /8s, 183 /16s and 76 /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:                      8207
    Total ARIN prefixes after maximum aggregation:                 4817
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             8228
    Unique aggregates announced from the ARIN address blocks:      5318
ARIN Region origin ASes present in the Internet Routing Table:     1274
    ARIN Prefixes per ASN:                                         6.46
ARIN Region origin ASes announcing only one prefix:                 452
ARIN Region transit ASes present in the Internet Routing Table:     162
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     198
Number of ARIN addresses announced to Internet:                96126689
    Equivalent to 5 /8s, 186 /16s and 198 /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:                      3601
    Total RIPE prefixes after maximum aggregation:                 2858
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3592
    Unique aggregates announced from the RIPE address blocks:      2903
RIPE Region origin ASes present in the Internet Routing Table:      688
    RIPE Prefixes per ASN:                                         5.22
RIPE Region origin ASes announcing only one prefix:                 302
RIPE Region transit ASes present in the Internet Routing Table:     103
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     146
Number of RIPE addresses announced to Internet:                57968384
    Equivalent to 3 /8s, 116 /16s and 135 /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:                    1442
    Total LACNIC prefixes after maximum aggregation:                600
    LACNIC Deaggregation factor:                                   2.40
Prefixes being announced from the LACNIC address blocks:           1520
    Unique aggregates announced from the LACNIC address blocks:     795
LACNIC Region origin ASes present in the Internet Routing Table:    171
    LACNIC Prefixes per ASN:                                       8.89
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    71
Number of LACNIC addresses announced to Internet:               4104983
    Equivalent to 0 /8s, 62 /16s and 163 /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:                   1058
    Total AfriNIC prefixes after maximum aggregation:               170
    AfriNIC Deaggregation factor:                                  6.22
Prefixes being announced from the AfriNIC address blocks:          1058
    Unique aggregates announced from the AfriNIC address blocks:    221
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     21.59
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      2.8
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2660864
    Equivalent to 0 /8s, 40 /16s and 154 /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         603       2162     466  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  1237         200         74     142  KREONET-AS-KR KISTI, KR
  7575         177        329     120  AARNET-AS-AP Australian Academic and Re
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         127         19      17  NKN-CORE-NW NKN Core Network, IN
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          64          4       1  MAHIDOL-BORDER-AS Mahidol University, T

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         202        178     151  RISQ-AS, CA
   668         201        620     170  DNIC-AS-00668, US
  5786         197         16       1  UPRENET, PR
  2152         144        507      92  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
   270         115        305      80  AS270, US
 23024         113          7      17  OCDE, US
 32440         111         35      18  LONI, US
  2920         103         34       7  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         159         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     105  SWITCH Peering requests: peering at switch
  1103          94       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          76        462      76  BELWUE BelWue-Koordination, DE
  3267          66         69      49  RUNNET, RU
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         172        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
271640          70          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          51         17       4  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          47          3      14  CEDIA, EC
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          37          4       3  Universidad Autonoma Metropolitana, MX

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         381        319      71  TENET-1, ZA
 36914         249         82       3  KENET-AS, KE
327687         166         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          41         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         603       2162     466  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         381        319      71  TENET-1, ZA
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
 36914         249         82       3  KENET-AS, KE
   376         202        178     151  RISQ-AS, CA
   668         201        620     170  DNIC-AS-00668, US
  1237         200         74     142  KREONET-AS-KR KISTI, KR
  5786         197         16       1  UPRENET, PR
   786         185       1767     182  JANET Jisc Services Limited, GB

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
 36914         249          246  KENET-AS, KE
  5786         197          196  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
327687         166          163  RENU, UG
  8895         159          154  ISU Internet Services Unit ISU, SA
 18558         141          137  NETBLK-RCOEK, US
  1916         172          129  Rede Nacional de Ensino e Pesquisa, BR
 65085         154          118  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65208  PRIVATE      63.225.1.0/24            11570  EASTERN-NEW-MEXICO-UNIVERITY
     65101  PRIVATE      64.54.9.0/24              5653  UCSF, US
     65101  PRIVATE      64.54.18.0/24             5653  UCSF, US
     65101  PRIVATE      64.54.196.0/24            5653  UCSF, US
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     64530  PRIVATE      109.105.121.192/27        2603  NORDUNET, DK
     64530  PRIVATE      109.105.121.224/30        2603  NORDUNET, DK
     64530  PRIVATE      109.105.122.128/26        2603  NORDUNET, DK
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE
     65248  PRIVATE      134.171.169.0/24         11340  Red Universitaria Nacional, 

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
134.208.0.0/16       Origin:     17711  NDHU-TW National Dong Hwa University, TW
134.208.0.0/16      Transit:      7539  TWAREN-TW National Center for High-perfo
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
202.58.231.0/24      Origin:    134096  EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24     Transit:      7575  AARNET-AS-AP Australian Academic and Res

Complete listing at https://bgp.nsrc.org/REN/CANARIE/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       /11:1       /12:10      
/13:18      /14:35      /15:122     /16:2030    /17:429     /18:447     
/19:584     /20:872     /21:865     /22:1512    /23:1554    /24:10288   
/25:87      /26:68      /27:73      /28:20      /29:26      /30:21      
/31:3       /32:14      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         238         249  KENET-AS, KE
  8895         154         159  ISU Internet Services Unit ISU, SA
 32440          81         111  LONI, US
 23024          52         113  OCDE, US
327700          37          41  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
200521          30          52  SEAP-AGE, ES
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

Complete listing at https://bgp.nsrc.org/REN/CANARIE/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         5:15        6:4         8:2        12:1        14:89     
  23:6        24:3        31:7        35:6        38:8        40:1      
  41:119      42:10       44:7        45:45       46:5        47:1      
  49:9        50:3        52:1        58:1        59:19       60:5      
  61:3        62:11       63:37       64:52       65:1        66:54     
  67:43       68:9        69:17       70:2        71:1        72:7      
  74:49       76:42       77:9        78:3        79:10       80:12     
  81:27       82:7        83:6        84:7        85:41       86:4      
  87:1        89:10       91:49       92:2        93:4        94:4      
  95:2        96:5        97:2        98:2       101:2       102:30     
 103:269     104:77      108:8       109:9       111:16      114:23     
 116:6       117:61      118:32      119:18      121:28      122:8      
 123:8       124:40      125:4       128:88      129:48      130:88     
 131:65      132:64      133:152     134:107     136:196     137:130    
 138:9       139:5       140:41      141:3       142:38      143:22     
 144:26      145:2       146:131     147:57      148:193     149:12     
 150:44      151:12      152:133     153:14      154:29      155:63     
 156:67      157:18      158:33      159:115     160:30      161:18     
 162:21      163:82      164:13      165:47      166:1       167:13     
 168:124     169:8       170:80      171:1       172:3       173:7      
 175:18      176:8       177:5       179:12      180:15      181:1      
 182:1       184:3       185:56      186:3       187:19      188:13     
 189:3       190:20      191:13      192:1474    193:289     194:135    
 195:80      196:197     197:163     198:521     199:278     200:325    
 201:39      202:616     203:427     204:359     205:128     206:194    
 207:155     208:75      209:117     210:192     211:14      212:159    
 213:5       214:8       216:84      217:9       218:22      219:5      
 220:16      222:2       223:14     

End of report


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