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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Dec 17 21:15:36 UTC 2023


IPv4 R&E Routing Table Report   21:15 GMT Sun 17 Dec, 2023

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

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

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

BGP routing table entries examined:                               19034
    Prefixes after maximum aggregation (per Origin AS):           10650
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       11716
    Number of IPv4 prefixes with a valid ROA:                      5794
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          13240
Total ASes present in the Internet Routing Table:                  2789
    Prefixes per ASN:                                              6.82
Origin-only ASes present in the Internet Routing Table:            2415
Origin ASes announcing only one prefix:                            1097
Transit ASes present in the Internet Routing Table:                 374
Transit-only ASes present in the Internet Routing Table:             65
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                13
    Number of instances of unregistered ASNs:                        13
Number of 32-bit ASNs allocated by the RIRs:                      43235
Number of 32-bit ASNs visible in the Routing Table:                 648
Prefixes from 32-bit ASNs in the Routing Table:                    1760
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:                    206143232
    Equivalent to 12 /8s, 73 /16s and 127 /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:        2323

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

Prefixes being announced by APNIC Region ASes:                     4597
    Total APNIC prefixes after maximum aggregation:                2271
    APNIC Deaggregation factor:                                    2.02
Prefixes being announced from the APNIC address blocks:            4598
    Unique aggregates announced from the APNIC address blocks:     2566
APNIC Region origin ASes present in the Internet Routing Table:     542
    APNIC Prefixes per ASN:                                        8.48
APNIC Region origin ASes announcing only one prefix:                233
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    209
Number of APNIC addresses announced to Internet:               45558272
    Equivalent to 2 /8s, 183 /16s and 42 /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:                      8352
    Total ARIN prefixes after maximum aggregation:                 4808
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             8378
    Unique aggregates announced from the ARIN address blocks:      5309
ARIN Region origin ASes present in the Internet Routing Table:     1276
    ARIN Prefixes per ASN:                                         6.57
ARIN Region origin ASes announcing only one prefix:                 463
ARIN Region transit ASes present in the Internet Routing Table:     165
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:     200
Number of ARIN addresses announced to Internet:                96059392
    Equivalent to 5 /8s, 185 /16s and 192 /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:                      3564
    Total RIPE prefixes after maximum aggregation:                 2851
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3551
    Unique aggregates announced from the RIPE address blocks:      2906
RIPE Region origin ASes present in the Internet Routing Table:      694
    RIPE Prefixes per ASN:                                         5.12
RIPE Region origin ASes announcing only one prefix:                 314
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     149
Number of RIPE addresses announced to Internet:                57954816
    Equivalent to 3 /8s, 116 /16s and 82 /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:                    1393
    Total LACNIC prefixes after maximum aggregation:                547
    LACNIC Deaggregation factor:                                   2.55
Prefixes being announced from the LACNIC address blocks:           1391
    Unique aggregates announced from the LACNIC address blocks:     726
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       8.48
LACNIC Region origin ASes announcing only one prefix:                62
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:    66
Number of LACNIC addresses announced to Internet:               4047616
    Equivalent to 0 /8s, 61 /16s and 195 /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:                   1115
    Total AfriNIC prefixes after maximum aggregation:               162
    AfriNIC Deaggregation factor:                                  6.88
Prefixes being announced from the AfriNIC address blocks:          1115
    Unique aggregates announced from the AfriNIC address blocks:    208
AfriNIC Region origin ASes present in the Internet Routing Table:    46
    AfriNIC Prefixes per ASN:                                     24.24
AfriNIC Region origin ASes announcing only one prefix:               25
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:   24
Number of AfriNIC addresses announced to Internet:              2522880
    Equivalent to 0 /8s, 38 /16s and 127 /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       2162     465  SINET-AS Research Organization of Infor
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  1237         193         74     142  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         176        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         127         19      17  NKN-CORE-NW NKN Core Network, IN
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         382        507      96  CSUNET-NW, US
   668         204        652     173  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
    81         127        521      30  NCREN, US
   270         118        329      82  AS270, US
 23024         109          7      22  OCDE, US
 18558         106         18       4  NETBLK-RCOEK, US
  2920         104         34       9  LACOE, US
 21976          80         51      18  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/REANNZ/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         185       1767     182  JANET Jisc Services Limited, GB
  8895         131         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          94         27      74  ROEDUNET, RO
   137          81        676      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          76        462      76  BELWUE BelWue-Koordination, DE
  2200          63        598      58  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         210        176      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 11340          98         24      48  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         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/REANNZ/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         523         82       3  KENET-AS, KE
  2018         343        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          40         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          14          8       2  UG-AS, GH
 37215          12          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         593       2162     465  SINET-AS Research Organization of Infor
 36914         523         82       3  KENET-AS, KE
  7497         437        180      23  CSTNET-AS-AP Computer Network Informati
  2152         382        507      96  CSUNET-NW, US
  2018         343        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
  1916         210        176      42  Rede Nacional de Ensino e Pesquisa, BR
   668         204        652     173  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR

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

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

   ASN  No of nets  Net Savings  Description
 36914         523          520  KENET-AS, KE
  7497         437          414  CSTNET-AS-AP Computer Network Information Cente
  2152         382          286  CSUNET-NW, US
  2018         343          272  TENET-1, ZA
  5786         197          196  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  1916         210          168  Rede Nacional de Ensino e Pesquisa, BR
  8895         131          126  ISU Internet Services Unit ISU, SA
 55824         127          110  NKN-CORE-NW NKN Core Network, IN
 18558         106          102  NETBLK-RCOEK, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     11570  UNALLOCATED  63.225.1.0/24            40498  ABQG, 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
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.190.0/24          40498  ABQG, US

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/REANNZ/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     /16:2027    /17:428     /18:446     
/19:588     /20:882     /21:874     /22:1532    /23:1569    /24:10499   
/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         508         523  KENET-AS, KE
  8895         126         131  ISU Internet Services Unit ISU, SA
 23024          52         109  OCDE, US
  2152          39         382  CSUNET-NW, US
 32440          38          62  LONI, US
327700          35          40  MoRENet, MZ
 18632          33          65  VOLCANO-VISION, US
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US

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

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

   1:2         4:2         5:15        6:4         8:2        12:1      
  14:89       23:6        24:3        31:7        35:6        38:8      
  40:1        41:223      42:10       44:7        45:42       46:5      
  47:1        49:9        50:3        52:1        58:1        59:19     
  60:5        61:3        62:11       63:37       64:52       65:5      
  66:54       67:43       68:10       69:17       70:2        71:1      
  72:7        74:51       76:42       77:9        78:3        79:10     
  80:12       81:25       82:7        83:7        84:12       85:27     
  86:4        87:1        89:10       91:50       92:2        93:4      
  94:4        95:2        96:5        97:2        98:2       101:2      
 102:10      103:271     104:74      107:16      108:10      109:7      
 111:16      114:23      116:6       117:61      118:32      119:18     
 121:28      122:8       123:8       124:40      125:5       128:85     
 129:43      130:85      131:65      132:63      133:155     134:109    
 136:196     137:53      138:9       139:5       140:41      141:3      
 142:38      143:23      144:28      145:2       146:125     147:58     
 148:194     149:11      150:44      151:12      152:133     153:14     
 154:24      155:63      156:66      157:18      158:34      159:115    
 160:30      161:16      162:23      163:68      164:13      165:47     
 166:1       167:13      168:98      169:8       170:92      171:1      
 172:3       173:7       175:18      176:8       177:5       179:12     
 180:15      181:1       182:1       184:2       185:61      186:3      
 187:17      188:14      189:3       190:18      191:13      192:1475   
 193:294     194:123     195:88      196:154     197:325     198:558    
 199:273     200:324     201:37      202:620     203:408     204:339    
 205:147     206:196     207:217     208:75      209:148     210:194    
 211:14      212:159     213:5       214:8       216:85      217:9      
 218:22      219:5       220:16      222:2       223:14     

End of report


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