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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Oct 29 20:00:41 UTC 2024


IPv4 R&E Routing Table Report   20:00 GMT Tue 29 Oct, 2024

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

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

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

BGP routing table entries examined:                               19376
    Prefixes after maximum aggregation (per Origin AS):           10681
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       11750
    Number of IPv4 prefixes with a valid ROA:                      7310
    Number of IPv4 prefixes with an invalid ROA:                      2
    Number of IPv4 prefixes with no ROA:                          12064
Total ASes present in the Internet Routing Table:                  2790
    Prefixes per ASN:                                              6.94
Origin-only ASes present in the Internet Routing Table:            2407
Origin ASes announcing only one prefix:                            1073
Transit ASes present in the Internet Routing Table:                 383
Transit-only ASes present in the Internet Routing Table:             75
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
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:                      45670
Number of 32-bit ASNs visible in the Routing Table:                 678
Prefixes from 32-bit ASNs in the Routing Table:                    1887
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:                    201474816
    Equivalent to 12 /8s, 2 /16s and 67 /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:        2326

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

Prefixes being announced by APNIC Region ASes:                     4567
    Total APNIC prefixes after maximum aggregation:                2253
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4565
    Unique aggregates announced from the APNIC address blocks:     2590
APNIC Region origin ASes present in the Internet Routing Table:     553
    APNIC Prefixes per ASN:                                        8.25
APNIC Region origin ASes announcing only one prefix:                235
APNIC Region transit ASes present in the Internet Routing Table:     58
Average APNIC Region AS path length visible:                        3.5
    Max APNIC Region AS path length visible:                         11
Number of APNIC region 32-bit ASNs visible in the Routing Table:    217
Number of APNIC addresses announced to Internet:               45616640
    Equivalent to 2 /8s, 184 /16s and 14 /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:                      8660
    Total ARIN prefixes after maximum aggregation:                 4854
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             8674
    Unique aggregates announced from the ARIN address blocks:      5324
ARIN Region origin ASes present in the Internet Routing Table:     1283
    ARIN Prefixes per ASN:                                         6.76
ARIN Region origin ASes announcing only one prefix:                 454
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     212
Number of ARIN addresses announced to Internet:                90686720
    Equivalent to 5 /8s, 103 /16s and 197 /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,  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:                      3582
    Total RIPE prefixes after maximum aggregation:                 2874
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3570
    Unique aggregates announced from the RIPE address blocks:      2915
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         5.30
RIPE Region origin ASes announcing only one prefix:                 302
RIPE Region transit ASes present in the Internet Routing Table:     109
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:     158
Number of RIPE addresses announced to Internet:                58663936
    Equivalent to 3 /8s, 127 /16s and 36 /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:                    1428
    Total LACNIC prefixes after maximum aggregation:                533
    LACNIC Deaggregation factor:                                   2.68
Prefixes being announced from the LACNIC address blocks:           1427
    Unique aggregates announced from the LACNIC address blocks:     716
LACNIC Region origin ASes present in the Internet Routing Table:    153
    LACNIC Prefixes per ASN:                                       9.33
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               4125184
    Equivalent to 0 /8s, 62 /16s and 242 /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:                   1138
    Total AfriNIC prefixes after maximum aggregation:               166
    AfriNIC Deaggregation factor:                                  6.86
Prefixes being announced from the AfriNIC address blocks:          1137
    Unique aggregates announced from the AfriNIC address blocks:    202
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     22.29
AfriNIC Region origin ASes announcing only one prefix:               31
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2379776
    Equivalent to 0 /8s, 36 /16s and 80 /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       2170     464  SINET-AS Research Organization of Informa
  7497         449        212      25  CSTNET-AS-AP Computer Network Information
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
 55824         133         19      20  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  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          60          4      35  ERX-ERNET-AS Education and Research Netwo

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         514        507      99  CENIC-2152, US
  2920         229         44      49  LACOE, US
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         191         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  NJEDGE-NET, US
   237          85        541      50  MERIT-AS-14, US

Complete listing at https://bgp.nsrc.org/REN/SingAREN/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 Deutschen
   786         187       1767     184  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.c
  1103          97       1759      84  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          76         26      66  NIKS, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         210        178      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         110         25      53  Red Universitaria Nacional, CL
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          51          5      17  CEDIA, EC
  2715          50        100      36  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
  1251          37         31      26  FUNDACAO DE AMPARO A PESQUISA DO ESTADO S

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         529         82       3  KENET-AS, KE
  2018         377        319      71  TENET-1, ZA
327700          36         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
  8094          31         26      12  PUKNET, ZA
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         590       2170     464  SINET-AS Research Organization of Informa
 36914         529         82       3  KENET-AS, KE
  2152         514        507      99  CENIC-2152, US
  7497         449        212      25  CSTNET-AS-AP Computer Network Information
  2018         377        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         229         44      49  LACOE, US
  1916         210        178      42  Rede Nacional de Ensino e Pesquisa, BR
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA

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

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

   ASN  No of nets  Net Savings  Description
 36914         529          526  KENET-AS, KE
  7497         449          424  CSTNET-AS-AP Computer Network Information Cente
  2152         514          415  CENIC-2152, US
  2018         377          306  TENET-1, ZA
  5786         191          190  UPRENET, PR
  2920         229          180  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  1916         210          168  Rede Nacional de Ensino e Pesquisa, BR
 18558         141          136  NETBLK-RCOEK, US
  8895         133          128  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/SingAREN/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/SingAREN/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/SingAREN/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      /14:33      /15:119     /16:1991    /17:422     /18:450     
/19:582     /20:871     /21:889     /22:1483    /23:1613    /24:10891   
/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         529  KENET-AS, KE
  8895         128         133  ISU Internet Services Unit ISU, SA
  2152          61         514  CENIC-2152, US
 23024          37          95  OCDE, US
 32440          37          64  LONI, US
  3267          35          76  NIKS, RU
327700          35          36  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          31          54  SEAP-AGE, ES

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

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

   1:2         5:15        6:4         8:2        12:1        14:92     
  23:8        24:3        31:1        35:3        37:8        38:10     
  40:1        41:241      42:11       44:6        45:50       46:4      
  47:1        49:11       50:4        52:1        59:19       60:6      
  61:3        62:9        63:37       64:45       65:4        66:57     
  67:42       68:11       69:19       70:2        71:1        72:7      
  74:54       76:42       77:10       78:3        79:10       80:12     
  81:25       82:7        83:7        84:8        85:45       86:5      
  87:1        89:11       91:44       92:2        93:13       94:2      
  95:2        96:5        97:1        98:2       101:1       102:12     
 103:286     104:79      107:2       108:8       109:4       111:16     
 113:2       114:24      116:9       117:61      118:33      119:23     
 121:27      122:8       123:8       124:42      125:5       128:55     
 129:36      130:96      131:61      132:52      133:154     134:109    
 136:191     137:95      138:58      139:6       140:35      141:3      
 142:52      143:26      144:28      145:2       146:136     147:63     
 148:196     149:12      150:40      151:9       152:140     153:14     
 154:39      155:63      156:133     157:26      158:31      159:121    
 160:32      161:17      162:24      163:60      164:11      165:49     
 166:1       167:25      168:120     169:7       170:96      171:1      
 172:2       173:7       175:5       177:6       179:13      180:16     
 182:1       184:2       185:53      186:3       187:21      188:13     
 189:3       190:18      191:13      192:1396    193:274     194:139    
 195:75      196:145     197:325     198:550     199:279     200:329    
 201:37      202:634     203:436     204:405     205:175     206:216    
 207:310     208:67      209:153     210:201     211:3       212:166    
 213:6       214:8       216:90      217:9       218:21      219:5      
 220:17      222:2       223:15     

End of report


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