[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 Aug 28 21:05:47 UTC 2023


IPv4 R&E Routing Table Report   21:05 GMT Mon 28 Aug, 2023

  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:                               18010
    Prefixes after maximum aggregation (per Origin AS):            9991
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       11011
    Number of IPv4 prefixes with a valid ROA:                      4934
    Number of IPv4 prefixes with an invalid ROA:                    206
    Number of IPv4 prefixes with no ROA:                          12870
Total ASes present in the Internet Routing Table:                  2574
    Prefixes per ASN:                                              7.00
Origin-only ASes present in the Internet Routing Table:            2207
Origin ASes announcing only one prefix:                             978
Transit ASes present in the Internet Routing Table:                 367
Transit-only ASes present in the Internet Routing Table:             78
Paths with bogon ASNs present in the IPv4 Routing Table:             56
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      42516
Number of 32-bit ASNs visible in the Routing Table:                 568
Prefixes from 32-bit ASNs in the Routing Table:                    1792
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:              2
Number of addresses announced to Internet:                    198883328
    Equivalent to 11 /8s, 218 /16s and 184 /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:               99.5
Total number of prefixes smaller than registry allocations:        1908

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

Prefixes being announced by APNIC Region ASes:                     4613
    Total APNIC prefixes after maximum aggregation:                2190
    APNIC Deaggregation factor:                                    2.11
Prefixes being announced from the APNIC address blocks:            4612
    Unique aggregates announced from the APNIC address blocks:     2514
APNIC Region origin ASes present in the Internet Routing Table:     488
    APNIC Prefixes per ASN:                                        9.45
APNIC Region origin ASes announcing only one prefix:                207
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        3.6
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    174
Number of APNIC addresses announced to Internet:               45278720
    Equivalent to 2 /8s, 178 /16s and 230 /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:                      7353
    Total ARIN prefixes after maximum aggregation:                 4244
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7366
    Unique aggregates announced from the ARIN address blocks:      4641
ARIN Region origin ASes present in the Internet Routing Table:     1136
    ARIN Prefixes per ASN:                                         6.48
ARIN Region origin ASes announcing only one prefix:                 396
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     178
Number of ARIN addresses announced to Internet:                88987136
    Equivalent to 5 /8s, 77 /16s and 214 /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:                      3547
    Total RIPE prefixes after maximum aggregation:                 2826
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3536
    Unique aggregates announced from the RIPE address blocks:      2862
RIPE Region origin ASes present in the Internet Routing Table:      668
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 297
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     134
Number of RIPE addresses announced to Internet:                57790464
    Equivalent to 3 /8s, 113 /16s and 208 /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:                    1462
    Total LACNIC prefixes after maximum aggregation:                571
    LACNIC Deaggregation factor:                                   2.56
Prefixes being announced from the LACNIC address blocks:           1462
    Unique aggregates announced from the LACNIC address blocks:     784
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       8.91
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    26
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:    67
Number of LACNIC addresses announced to Internet:               4169472
    Equivalent to 0 /8s, 63 /16s and 159 /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:                   1032
    Total AfriNIC prefixes after maximum aggregation:               157
    AfriNIC Deaggregation factor:                                  6.57
Prefixes being announced from the AfriNIC address blocks:          1032
    Unique aggregates announced from the AfriNIC address blocks:    208
AfriNIC Region origin ASes present in the Internet Routing Table:    38
    AfriNIC Prefixes per ASN:                                     27.16
AfriNIC Region origin ASes announcing only one prefix:               15
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   15
Number of AfriNIC addresses announced to Internet:              2591744
    Equivalent to 0 /8s, 39 /16s and 140 /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         593       2163     465  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  7575         352        330     126  AARNET-AS-AP Australian Academic and Re
  1659         237       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  1237         191         74     139  KREONET-AS-KR KISTI, KR
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         124         18      17  NKN-CORE-NW NKN Core Network, IN
 24313          70         16       1  NSW-DET-AS NSW Department of Education,
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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         315        507      93  CSUNET-NW, US
   668         204        652     173  DNIC-AS-00668, US
   376         201        178     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 18558         136         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 21976          82         51      18  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       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         136         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          74        465      74  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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         221        176      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      48  Red Universitaria Nacional, CL
271640          73          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  4270          49         16       1  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          34          4       3  Universidad Autonoma Metropolitana, MX

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
  2018         371        319      70  TENET-1, ZA
 36914         259         82       3  KENET-AS, KE
327687         165         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW
 36982           8         33       8  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         593       2163     465  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  2018         371        319      70  TENET-1, ZA
  7575         352        330     126  AARNET-AS-AP Australian Academic and Re
  2152         315        507      93  CSUNET-NW, US
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
 36914         259         82       3  KENET-AS, KE
  1659         237       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  1916         221        176      42  Rede Nacional de Ensino e Pesquisa, BR
   668         204        652     173  DNIC-AS-00668, US

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
  7497         435          412  CSTNET-AS-AP Computer Network Information Cente
  2018         371          301  TENET-1, ZA
 36914         259          256  KENET-AS, KE
  7575         352          226  AARNET-AS-AP Australian Academic and Research N
  2152         315          222  CSUNET-NW, US
  1659         237          203  ERX-TANET-ASN1 Taiwan Academic Network TANet In
  5786         197          196  UPRENET, PR
  1916         221          179  Rede Nacional de Ensino e Pesquisa, BR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
327687         165          162  RENU, UG

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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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
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/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       /10:2       /11:1       /12:10      
/13:18      /14:33      /15:121     /16:1936    /17:413     /18:421     
/19:527     /20:827     /21:874     /22:1404    /23:1541    /24:9881    
/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         247         259  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
327700          36          42  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          55  SEAP-AGE, ES
  2152          31         315  CSUNET-NW, US
 25977          30          44  HCCS, 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        12:1        14:89     
  23:6        24:3        31:7        35:2        38:9        41:120    
  42:10       44:6        45:35       46:5        47:1        49:9      
  50:1        52:1        58:1        59:10       60:4        61:3      
  62:11       63:33       64:31       65:1        66:17       67:41     
  68:8        69:19       70:2        72:7        74:42       76:40     
  77:9        78:3        79:10       80:13       81:25       82:6      
  83:6        84:9        85:40       86:10       87:1        89:10     
  91:46       92:2        93:4        94:4        95:2        96:5      
  97:2        98:2       101:2       102:30      103:230     104:80     
 108:4       109:9       111:16      113:1       114:23      116:6      
 117:61      118:17      119:18      121:28      122:8       123:8      
 124:39      125:4       128:113     129:41      130:88      131:55     
 132:56      133:151     134:105     136:197     137:265     138:21     
 139:15      140:94      141:1       142:37      143:22      144:23     
 145:2       146:128     147:30      148:192     149:12      150:44     
 151:12      152:147     153:78      154:30      155:63      156:67     
 157:18      158:34      159:115     160:29      161:22      162:25     
 163:87      164:10      165:46      166:1       167:13      168:115    
 169:7       170:66      171:1       172:3       173:6       175:26     
 176:8       177:5       179:12      180:15      181:1       182:3      
 184:2       185:48      186:3       187:17      188:13      189:3      
 190:19      191:13      192:1298    193:296     194:138     195:86     
 196:200     197:163     198:466     199:257     200:339     201:38     
 202:424     203:325     204:348     205:129     206:179     207:205    
 208:70      209:136     210:200     211:14      212:167     213:5      
 214:8       216:55      217:10      218:22      219:5       220:16     
 222:2       223:14     

End of report


More information about the ren-bgp-stats-all mailing list