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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jan 31 21:05:49 UTC 2024


IPv4 R&E Routing Table Report   21:05 GMT Wed 31 Jan, 2024

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

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET-Brisbane/

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

BGP routing table entries examined:                               19135
    Prefixes after maximum aggregation (per Origin AS):           10391
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       11470
    Number of IPv4 prefixes with a valid ROA:                      5958
    Number of IPv4 prefixes with an invalid ROA:                     11
    Number of IPv4 prefixes with no ROA:                          13166
Total ASes present in the Internet Routing Table:                  2715
    Prefixes per ASN:                                              7.05
Origin-only ASes present in the Internet Routing Table:            2343
Origin ASes announcing only one prefix:                            1066
Transit ASes present in the Internet Routing Table:                 372
Transit-only ASes present in the Internet Routing Table:             70
Paths with bogon ASNs present in the IPv4 Routing Table:             48
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      14
    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:                      43515
Number of 32-bit ASNs visible in the Routing Table:                 620
Prefixes from 32-bit ASNs in the Routing Table:                    1918
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:              1
Number of addresses announced to Internet:                    200494848
    Equivalent to 11 /8s, 243 /16s and 79 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2225

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

Prefixes being announced by APNIC Region ASes:                     4843
    Total APNIC prefixes after maximum aggregation:                2236
    APNIC Deaggregation factor:                                    2.17
Prefixes being announced from the APNIC address blocks:            4843
    Unique aggregates announced from the APNIC address blocks:     2543
APNIC Region origin ASes present in the Internet Routing Table:     520
    APNIC Prefixes per ASN:                                        9.31
APNIC Region origin ASes announcing only one prefix:                227
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         11
Number of APNIC region 32-bit ASNs visible in the Routing Table:    186
Number of APNIC addresses announced to Internet:               45462528
    Equivalent to 2 /8s, 181 /16s and 180 /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:                      8105
    Total ARIN prefixes after maximum aggregation:                 4550
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             8132
    Unique aggregates announced from the ARIN address blocks:      5050
ARIN Region origin ASes present in the Internet Routing Table:     1228
    ARIN Prefixes per ASN:                                         6.62
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     160
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     191
Number of ARIN addresses announced to Internet:                90660864
    Equivalent to 5 /8s, 103 /16s and 96 /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:                      3537
    Total RIPE prefixes after maximum aggregation:                 2848
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3526
    Unique aggregates announced from the RIPE address blocks:      2885
RIPE Region origin ASes present in the Internet Routing Table:      679
    RIPE Prefixes per ASN:                                         5.19
RIPE Region origin ASes announcing only one prefix:                 311
RIPE Region transit ASes present in the Internet Routing Table:     104
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:     146
Number of RIPE addresses announced to Internet:                57557760
    Equivalent to 3 /8s, 110 /16s and 67 /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:                    1372
    Total LACNIC prefixes after maximum aggregation:                565
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1370
    Unique aggregates announced from the LACNIC address blocks:     762
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.46
LACNIC Region origin ASes announcing only one prefix:                59
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.1
    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:               4137984
    Equivalent to 0 /8s, 63 /16s and 36 /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:                   1263
    Total AfriNIC prefixes after maximum aggregation:               180
    AfriNIC Deaggregation factor:                                  7.02
Prefixes being announced from the AfriNIC address blocks:          1263
    Unique aggregates announced from the AfriNIC address blocks:    229
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     23.83
AfriNIC Region origin ASes announcing only one prefix:               30
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2673664
    Equivalent to 0 /8s, 40 /16s and 204 /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         590       2162     464  SINET-AS Research Organization of Infor
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  7575         335        330     125  AARNET-AS-AP Australian Academic and Re
  1237         194         74     142  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  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
 24313          70         16       1  NSW-DET-AS NSW Department of Education,

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         422        507      95  CSUNET-NW, US
   668         203        636     172  DNIC-AS-00668, US
   376         200        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
 23024         109          7      22  OCDE, US
  2920         105         34       9  LACOE, US
 21976          81         51      19  NJEDGE-NET, US
  1736          79         16       1  MU-AS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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         184       1767     181  JANET Jisc Services Limited, GB
  8895         133         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          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
  3267          79         44      68  RUNNET, RU
   553          78        462      78  BELWUE BelWue-Koordination, DE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         149        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         106         24      50  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 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/AARNET-Brisbane/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         478         82       3  KENET-AS, KE
  2018         377        319      70  TENET-1, ZA
327687         161         28       3  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37215          11          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         590       2162     464  SINET-AS Research Organization of Infor
 36914         478         82       3  KENET-AS, KE
  7497         439        180      23  CSTNET-AS-AP Computer Network Informati
  2152         422        507      95  CSUNET-NW, US
  2018         377        319      70  TENET-1, ZA
  7575         335        330     125  AARNET-AS-AP Australian Academic and Re
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   668         203        636     172  DNIC-AS-00668, US
   376         200        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR

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

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

   ASN  No of nets  Net Savings  Description
 36914         478          475  KENET-AS, KE
  7497         439          416  CSTNET-AS-AP Computer Network Information Cente
  2152         422          327  CSUNET-NW, US
  2018         377          307  TENET-1, ZA
  7575         335          210  AARNET-AS-AP Australian Academic and Research N
  5786         198          197  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
327687         161          158  RENU, UG
 18558         141          137  NETBLK-RCOEK, US
  8895         133          128  ISU Internet Services Unit ISU, SA

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

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

Unassigned Network     ASN Information  AS Name
220.156.176.0/21     Origin:     23767  A-STAR-AS-AP A-STAR, SG
220.156.176.0/21    Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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       /12:10      
/13:18      /14:33      /15:121     /16:1986    /17:424     /18:455     
/19:568     /20:864     /21:903     /22:1526    /23:1585    /24:10639   
/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
 36914         463         478  KENET-AS, KE
  8895         128         133  ISU Internet Services Unit ISU, SA
 23024          52         109  OCDE, US
  2152          44         422  CSUNET-NW, US
 32440          38          62  LONI, US
327700          38          42  MoRENet, MZ
  3267          36          79  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          54  SEAP-AGE, ES

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

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

   1:2         5:15        6:4         8:2        12:1        14:89     
  23:5        24:3        31:1        35:6        38:8        40:1      
  41:178      42:10       44:7        45:43       46:5        47:1      
  49:9        50:1        52:1        59:19       60:6        61:3      
  62:10       63:32       64:47       65:1        66:45       67:41     
  68:10       69:17       70:2        71:1        72:7        74:48     
  76:41       77:10       78:3        79:10       80:12       81:24     
  82:7        83:7        84:9        85:31       86:4        87:1      
  89:10       91:49       92:2        93:4        94:2        95:2      
  96:5        97:2        98:2       101:2       102:38      103:226    
 104:76      108:10      109:7       111:16      113:1       114:24     
 116:8       117:61      118:32      119:19      121:27      122:8      
 123:8       124:40      125:5       128:108     129:41      130:85     
 131:65      132:52      133:155     134:109     136:198     137:287    
 138:66      139:15      140:39      141:3       142:39      143:23     
 144:23      145:2       146:132     147:57      148:193     149:12     
 150:44      151:12      152:132     153:78      154:29      155:63     
 156:67      157:18      158:35      159:115     160:30      161:16     
 162:31      163:80      164:13      165:47      166:1       167:13     
 168:118     169:7       170:89      171:1       172:3       173:7      
 175:18      176:8       177:6       179:12      180:15      181:1      
 182:3       184:2       185:53      186:3       187:17      188:14     
 189:3       190:17      191:13      192:1350    193:268     194:136    
 195:77      196:201     197:329     198:510     199:272     200:272    
 201:37      202:623     203:432     204:366     205:147     206:189    
 207:211     208:72      209:148     210:195     211:15      212:161    
 213:5       214:8       216:82      217:10      218:22      219:5      
 220:16      222:2       223:14     

End of report


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