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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jan 15 22:30:39 UTC 2025


IPv4 R&E Routing Table Report   22:30 GMT Wed 15 Jan, 2025

  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:                               19691
    Prefixes after maximum aggregation (per Origin AS):           10814
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       11941
    Number of IPv4 prefixes with a valid ROA:                      7437
    Number of IPv4 prefixes with an invalid ROA:                     21
    Number of IPv4 prefixes with no ROA:                          12233
Total ASes present in the Internet Routing Table:                  2787
    Prefixes per ASN:                                              7.07
Origin-only ASes present in the Internet Routing Table:            2413
Origin ASes announcing only one prefix:                            1072
Transit ASes present in the Internet Routing Table:                 374
Transit-only ASes present in the Internet Routing Table:             61
Paths with bogon ASNs present in the IPv4 Routing Table:              8
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      46056
Number of 32-bit ASNs visible in the Routing Table:                 665
Prefixes from 32-bit ASNs in the Routing Table:                    1790
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:                    202873873
    Equivalent to 12 /8s, 23 /16s and 156 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2466

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

Prefixes being announced by APNIC Region ASes:                     4727
    Total APNIC prefixes after maximum aggregation:                2262
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4726
    Unique aggregates announced from the APNIC address blocks:     2611
APNIC Region origin ASes present in the Internet Routing Table:     558
    APNIC Prefixes per ASN:                                        8.47
APNIC Region origin ASes announcing only one prefix:                236
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:               45554792
    Equivalent to 2 /8s, 183 /16s and 28 /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:                      8791
    Total ARIN prefixes after maximum aggregation:                 4969
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:             8809
    Unique aggregates announced from the ARIN address blocks:      5461
ARIN Region origin ASes present in the Internet Routing Table:     1286
    ARIN Prefixes per ASN:                                         6.85
ARIN Region origin ASes announcing only one prefix:                 449
ARIN Region transit ASes present in the Internet Routing Table:     154
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     204
Number of ARIN addresses announced to Internet:                92263809
    Equivalent to 5 /8s, 127 /16s and 213 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                      3549
    Total RIPE prefixes after maximum aggregation:                 2850
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3539
    Unique aggregates announced from the RIPE address blocks:      2920
RIPE Region origin ASes present in the Internet Routing Table:      669
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:     110
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     158
Number of RIPE addresses announced to Internet:                58440336
    Equivalent to 3 /8s, 123 /16s and 186 /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,
                        53/8,  57/8,  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:                    1480
    Total LACNIC prefixes after maximum aggregation:                548
    LACNIC Deaggregation factor:                                   2.70
Prefixes being announced from the LACNIC address blocks:           1478
    Unique aggregates announced from the LACNIC address blocks:     723
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       9.35
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    23
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:    65
Number of LACNIC addresses announced to Internet:               4203928
    Equivalent to 0 /8s, 64 /16s and 37 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   1137
    Total AfriNIC prefixes after maximum aggregation:               178
    AfriNIC Deaggregation factor:                                  6.39
Prefixes being announced from the AfriNIC address blocks:          1136
    Unique aggregates announced from the AfriNIC address blocks:    223
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     22.27
AfriNIC Region origin ASes announcing only one prefix:               30
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:              2408448
    Equivalent to 0 /8s, 36 /16s and 192 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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         642       2202     464  SINET-AS Research Organization of Informa
  7497         449        180      24  CSTNET-AS-AP Computer Network Information
  1237         195         74     146  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         170        313     114  AARNET-AS-AP Australian Academic and Rese
 55824         146         19      20  NKN-CORE-NW NKN Core Network, IN
  4538         140       4192      71  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  2697          59          4      34  ERX-ERNET-AS Education and Research Netwo

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
  2152         513        507      99  CENIC-2152, US
  2920         226         44      49  LACOE, US
   376         201        162     150  RISQ-AS, CA
   668         198        612     169  DNIC-AS-00668, US
  5786         170         16       1  UPRENET, PR
 18558         140         18       5  NETBLK-RCOEK, US
    81         129        519      34  NCREN, US
   270         114        304      79  AS270, US
 23024          97          7      19  OCDE, US
 21976          90         34      16  NJEDGE-NET, 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         284       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         128         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          96       1743      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          78         29      68  NIKS, RU

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         219        178      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         157         10      69  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          52          5      17  CEDIA, EC
  3596          51          8       4  Universidad Autonoma Metropolitana, MX
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena

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
 36914         541         82       3  KENET-AS, KE
  2018         379        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          12          8       4  NRaE1-AS, NG
327700          12         16       1  MoRENet, MZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37182           7          0       7  TERNET, TZ

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         642       2202     464  SINET-AS Research Organization of Informa
 36914         541         82       3  KENET-AS, KE
  2152         513        507      99  CENIC-2152, US
  7497         449        180      24  CSTNET-AS-AP Computer Network Information
  2018         379        319      71  TENET-1, ZA
   680         284       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         226         44      49  LACOE, US
  1916         219        178      44  Rede Nacional de Ensino e Pesquisa, BR
   376         201        162     150  RISQ-AS, CA
   668         198        612     169  DNIC-AS-00668, US

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

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

   ASN  No of nets  Net Savings  Description
 36914         541          538  KENET-AS, KE
  7497         449          425  CSTNET-AS-AP Computer Network Information Cente
  2152         513          414  CENIC-2152, US
  2018         379          308  TENET-1, ZA
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         226          177  LACOE, US
  1916         219          175  Rede Nacional de Ensino e Pesquisa, BR
  5786         170          169  UPRENET, PR
 18558         140          135  NETBLK-RCOEK, US
 55824         146          126  NKN-CORE-NW NKN Core Network, IN

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  AS11570, US
     64532  PRIVATE      109.105.121.192/27        2603  NORDUNET, DK
     64532  PRIVATE      109.105.121.224/30        2603  NORDUNET, DK
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US
     65208  PRIVATE      206.206.156.0/22         11570  AS11570, US
     65208  PRIVATE      216.161.32.0/23          11570  AS11570, US
     65112  PRIVATE      216.165.80.0/21             12  NYU-DOMAIN, US

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

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

Unassigned Network     ASN Information  AS Name
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      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       /10:1       /11:1       /12:11      
/13:18      /14:35      /15:118     /16:2004    /17:419     /18:459     
/19:583     /20:875     /21:894     /22:1485    /23:1614    /24:10955   
/25:44      /26:68      /27:38      /28:21      /29:21      /30:13      
/31:4       /32:9       

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

   ASN  No of nets  Total ann.  Description
 36914         517         541  KENET-AS, KE
  8895         123         128  ISU Internet Services Unit ISU, SA
  1916          60         219  Rede Nacional de Ensino e Pesquisa, BR
  2152          59         513  CENIC-2152, US
 23024          37          97  OCDE, US
  3267          34          78  NIKS, RU
 32440          33          58  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          56  SEAP-AGE, ES

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        12:2        14:93     
  23:8        24:3        31:1        35:3        37:8        38:11     
  41:225      42:11       44:4        45:47       46:4        47:1      
  49:11       50:4        52:1        59:19       60:6        61:3      
  62:8        63:37       64:45       65:4        66:58       67:41     
  68:12       69:18       70:2        71:1        72:7        74:55     
  76:38       77:10       78:3        79:9        80:12       81:25     
  82:7        83:7        84:5        85:45       86:5        87:1      
  89:11       91:42       92:2        93:13       94:2        95:2      
  96:5        97:1        98:2       102:12      103:293     104:79     
 107:2       108:8       109:5       111:21      113:1       114:24     
 116:9       117:61      118:33      119:23      121:27      122:8      
 123:8       124:42      125:5       128:58      129:37      130:97     
 131:65      132:66      133:155     134:109     136:170     137:96     
 138:58      139:5       140:33      141:3       142:40      143:25     
 144:27      145:2       146:136     147:63      148:199     149:13     
 150:70      151:9       152:132     153:14      154:42      155:64     
 156:130     157:26      158:30      159:117     160:33      161:17     
 162:24      163:64      164:11      165:49      167:26      168:118    
 169:7       170:96      171:1       172:2       173:7       175:16     
 177:6       179:13      180:16      181:1       182:11      184:2      
 185:52      186:3       187:22      188:14      189:3       190:34     
 191:13      192:1492    193:262     194:118     195:72      196:145    
 197:326     198:559     199:282     200:268     201:37      202:641    
 203:434     204:393     205:177     206:215     207:308     208:67     
 209:158     210:219     211:3       212:162     213:6       214:8      
 216:93      217:12      218:23      219:6       220:16      222:2      
 223:15     

End of report


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