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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Dec 9 21:13:22 UTC 2024


IPv4 R&E Routing Table Report   21:05 GMT Mon 09 Dec, 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:                               19707
    Prefixes after maximum aggregation (per Origin AS):            9652
    Deaggregation factor:                                          2.04
    Unique aggregates announced (without unneeded subnets):        1135
    Number of IPv4 prefixes with a valid ROA:                      7525
    Number of IPv4 prefixes with an invalid ROA:                      8
    Number of IPv4 prefixes with no ROA:                          12174
Total ASes present in the Internet Routing Table:                  2779
    Prefixes per ASN:                                              7.09
Origin-only ASes present in the Internet Routing Table:            2406
Origin ASes announcing only one prefix:                            1079
Transit ASes present in the Internet Routing Table:                 373
Transit-only ASes present in the Internet Routing Table:             66
Paths with bogon ASNs present in the IPv4 Routing Table:             32
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      24
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45981
Number of 32-bit ASNs visible in the Routing Table:                 670
Prefixes from 32-bit ASNs in the Routing Table:                    1846
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:                     27040000
    Equivalent to 1 /8s, 156 /16s and 153 /24s
    Percentage of available address space announced:                0.7
    Percentage of allocated address space announced:                0.7
    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:        1866

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

Prefixes being announced by APNIC Region ASes:                     4923
    Total APNIC prefixes after maximum aggregation:                2160
    APNIC Deaggregation factor:                                    2.28
Prefixes being announced from the APNIC address blocks:            4923
    Unique aggregates announced from the APNIC address blocks:       60
APNIC Region origin ASes present in the Internet Routing Table:     558
    APNIC Prefixes per ASN:                                        8.82
APNIC Region origin ASes announcing only one prefix:                237
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         24
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:                4205824
    Equivalent to 0 /8s, 64 /16s and 45 /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:                      8689
    Total ARIN prefixes after maximum aggregation:                 4744
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:             8698
    Unique aggregates announced from the ARIN address blocks:       542
ARIN Region origin ASes present in the Internet Routing Table:     1280
    ARIN Prefixes per ASN:                                         6.80
ARIN Region origin ASes announcing only one prefix:                 453
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     213
Number of ARIN addresses announced to Internet:             -1054348544
    Equivalent to 193 /8s, 39 /16s and 235 /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:                      3548
    Total RIPE prefixes after maximum aggregation:                 2079
    RIPE Deaggregation factor:                                     1.71
Prefixes being announced from the RIPE address blocks:             3539
    Unique aggregates announced from the RIPE address blocks:       500
RIPE Region origin ASes present in the Internet Routing Table:      664
    RIPE Prefixes per ASN:                                         5.33
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     106
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     154
Number of RIPE addresses announced to Internet:                 3229952
    Equivalent to 0 /8s, 49 /16s and 73 /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:                    1388
    Total LACNIC prefixes after maximum aggregation:                514
    LACNIC Deaggregation factor:                                   2.70
Prefixes being announced from the LACNIC address blocks:           1387
    Unique aggregates announced from the LACNIC address blocks:      18
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       8.78
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:                  8960
    Equivalent to 0 /8s, 0 /16s and 35 /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:                   1158
    Total AfriNIC prefixes after maximum aggregation:               154
    AfriNIC Deaggregation factor:                                  7.52
Prefixes being announced from the AfriNIC address blocks:          1157
    Unique aggregates announced from the AfriNIC address blocks:     15
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     22.25
AfriNIC Region origin ASes announcing only one prefix:               32
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:           1073943808
    Equivalent to 64 /8s, 3 /16s and 21 /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         592      524398     325  SINET-AS Research Organization of Inform
  7497         446      262242      30  CSTNET-AS-AP Computer Network Informatio
  7575         331         15      84  AARNET-AS-AP Australian Academic and Rese
  1237         191      524338     170  KREONET-AS-KR KISTI, KR
 58647         181         18       2  KAGAWAU-AS Kagawa University, JP
  4538         139       4189      72  ERX-CERNET-BKB China Education and Resear
 55824         132      524306      11  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
 24313          70         16       1  NSW-DET-AS NSW Department of Education, A
  4621          69      524322      15  UNINET-AS-AP UNINET-, TH

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         514      786717      65  CENIC-2152, US
  2920         226      786470      55  LACOE, US
   668         202      524557      98  DNIC-AS-00668, US
   376         201      786586     161  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         134      524804      33  NCREN, US
 23024          95      262148      17  OCDE, US
 21976          91      262192      20  NJEDGE-NET, US
   237          82      786803      27  MERIT-AS-14, 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        140      36  DFN Verein zur Foerderung eines Deutschen
   786         186      786928      43  JANET Jisc Services Limited, GB
  8895         132      262168       5  ISU Internet Services Unit ISU, SA
   559         114      262649      34  SWITCH Peering requests: peering at switch.
  1103          96      787323      50  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93      262164      19  ROEDUNET, RO
   137          82      262738      38  ASGARR Consortium GARR, IT
  1930          79      262165       5  RCCN Fundacao para a Ciencia e a Tecnolo
   553          78      524737      78  BELWUE BelWue-Koordination, DE
  3267          77      262164      40  NIKS, RU

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
  1916         158      262301      48  Rede Nacional de Ensino e Pesquisa, BR
 28391         154      262149      28  Universidad Juarez Autonoma de Tabasco, 
 11340         109      262146       8  Red Universitaria Nacional, CL
271640          67          0      67  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          52      262144       4  CEDIA, EC
  2715          49      262243      35  Fundacao Carlos Chagas Filho de Amparo a
 19611          48         16      13  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  1251          37      524316      27  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         552         82       3  KENET-AS, KE
  2018         380      262449      73  TENET-1, ZA
  8094          47      262150       4  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
327700          13         16       1  MoRENet, MZ
 37661          12      262148       2  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8      262160       3  UCT, ZA

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         592      524398     325  SINET-AS Research Organization of Inform
 36914         552         82       3  KENET-AS, KE
  2152         514      786717      65  CENIC-2152, US
  7497         446      262242      30  CSTNET-AS-AP Computer Network Informatio
  2018         380      262449      73  TENET-1, ZA
  7575         331         15      84  AARNET-AS-AP Australian Academic and Rese
   680         283        140      36  DFN Verein zur Foerderung eines Deutschen
  2920         226      786470      55  LACOE, US
   668         202      524557      98  DNIC-AS-00668, US
   376         201      786586     161  RISQ-AS, CA

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         552          549  KENET-AS, KE
  2152         514          449  CENIC-2152, US
  7497         446          416  CSTNET-AS-AP Computer Network Information Cente
  2018         380          307  TENET-1, ZA
  7575         331          247  AARNET-AS-AP Australian Academic and Research N
   680         283          247  DFN Verein zur Foerderung eines Deutschen Forsc
  5786         198          197  UPRENET, PR
 58647         181          179  KAGAWAU-AS Kagawa University, JP
  2920         226          171  LACOE, US
   786         186          143  JANET Jisc Services Limited, GB

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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
164.160.192.0/2      Origin:     37661  NRaE1-AS, NG
164.160.192.0/2     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/AARNET-Brisbane/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:393      /2:5052     /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:1       /11:1       /12:11      
/13:18      /14:33      /15:118     /16:1986    /17:320     /18:339     
/19:426     /20:624     /21:638     /22:1020    /23:1102    /24:7624    
/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         380         552  KENET-AS, KE
  8895          86         132  ISU Internet Services Unit ISU, SA
 32440          35          63  LONI, US
  3267          34          77  NIKS, RU
 23024          34          95  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
  2152          26         514  CENIC-2152, US

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        12:2        14:93     
  23:8        24:3        31:1        35:9        37:8        38:11     
  41:223      42:11       44:4        45:50       46:4        47:1      
  49:6        50:4        52:1        59:19       60:5        61:3      
  62:6        63:36       64:45       65:5        66:58       67:42     
  68:13       69:19       70:2        71:1        72:7        74:49     
  76:42       77:10       78:3        79:10       80:12       81:25     
  82:7        83:7        84:4        85:45       86:5        87:1      
  89:11       91:40       92:2        93:13       94:2        95:2      
  96:5        97:1        98:2       102:3       103:182     104:45     
 107:2       108:8       109:2       111:16      113:1       114:24     
 116:9       117:61      119:23      121:24      123:8       124:42     
 125:5       128:48      129:21      130:54      131:39      132:26     
 133:154     134:94      136:86      137:118     138:65      139:7      
 140:14      141:2       142:46      143:15      144:25      146:123    
 147:35      148:85      149:6       150:23      151:7       152:137    
 153:13      154:40      155:53      156:130     157:26      158:19     
 159:45      160:26      161:12      162:16      163:35      164:6      
 165:4       166:1       167:21      168:62      169:3       170:51     
 171:1       172:1       173:5       175:11      177:5       179:11     
 180:16      182:10      185:31      186:2       187:17      188:10     
 189:3       190:16      191:13      192:971     193:198     194:103    
 195:53      196:144     197:189     198:277     199:169     200:151    
 201:33      202:542     203:247     204:228     205:83      206:124    
 207:204     208:37      209:114     210:149     211:2       212:86     
 213:5       214:8       216:49      217:4       218:3       219:2      
 220:13      223:15     

End of report


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