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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Oct 9 18:30:40 UTC 2024


IPv4 R&E Routing Table Report   18:30 GMT Wed 09 Oct, 2024

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

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

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

BGP routing table entries examined:                               18356
    Prefixes after maximum aggregation (per Origin AS):           10433
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11481
    Number of IPv4 prefixes with a valid ROA:                      6422
    Number of IPv4 prefixes with an invalid ROA:                      5
    Number of IPv4 prefixes with no ROA:                          11929
Total ASes present in the Internet Routing Table:                  2764
    Prefixes per ASN:                                              6.64
Origin-only ASes present in the Internet Routing Table:            2386
Origin ASes announcing only one prefix:                            1069
Transit ASes present in the Internet Routing Table:                 378
Transit-only ASes present in the Internet Routing Table:             72
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      28
    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:                      45505
Number of 32-bit ASNs visible in the Routing Table:                 683
Prefixes from 32-bit ASNs in the Routing Table:                    1905
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:              7
Number of addresses announced to Internet:                    199149824
    Equivalent to 11 /8s, 222 /16s and 201 /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:        1728

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

Prefixes being announced by APNIC Region ASes:                     4667
    Total APNIC prefixes after maximum aggregation:                2287
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4663
    Unique aggregates announced from the APNIC address blocks:     2633
APNIC Region origin ASes present in the Internet Routing Table:     580
    APNIC Prefixes per ASN:                                        8.04
APNIC Region origin ASes announcing only one prefix:                245
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:    228
Number of APNIC addresses announced to Internet:               45768448
    Equivalent to 2 /8s, 186 /16s and 95 /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:                      8115
    Total ARIN prefixes after maximum aggregation:                 4616
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:             8126
    Unique aggregates announced from the ARIN address blocks:      5035
ARIN Region origin ASes present in the Internet Routing Table:     1237
    ARIN Prefixes per ASN:                                         6.57
ARIN Region origin ASes announcing only one prefix:                 440
ARIN Region transit ASes present in the Internet Routing Table:     154
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     204
Number of ARIN addresses announced to Internet:                88399872
    Equivalent to 5 /8s, 68 /16s and 224 /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:                      3576
    Total RIPE prefixes after maximum aggregation:                 2871
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3565
    Unique aggregates announced from the RIPE address blocks:      2910
RIPE Region origin ASes present in the Internet Routing Table:      670
    RIPE Prefixes per ASN:                                         5.32
RIPE Region origin ASes announcing only one prefix:                 298
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     156
Number of RIPE addresses announced to Internet:                58604800
    Equivalent to 3 /8s, 126 /16s and 61 /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:                    1332
    Total LACNIC prefixes after maximum aggregation:                488
    LACNIC Deaggregation factor:                                   2.73
Prefixes being announced from the LACNIC address blocks:           1331
    Unique aggregates announced from the LACNIC address blocks:     683
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       8.59
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    25
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:               3883776
    Equivalent to 0 /8s, 59 /16s and 67 /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:                    665
    Total AfriNIC prefixes after maximum aggregation:               170
    AfriNIC Deaggregation factor:                                  3.91
Prefixes being announced from the AfriNIC address blocks:           664
    Unique aggregates announced from the AfriNIC address blocks:    214
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     13.55
AfriNIC Region origin ASes announcing only one prefix:               30
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      2.7
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:              2473984
    Equivalent to 0 /8s, 37 /16s and 192 /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         451        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         132         18      19  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
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         444        507      94  CENIC-2152, US
  2920         224         44      45  LACOE, US
   376         200        162     149  RISQ-AS, CA
   270         162        345      88  AS270, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
 23024          95          7      21  OCDE, US
 21976          87         50      17  NJEDGE-NET, US
   237          85        541      50  MERIT-AS-14, US
  1736          79         16       1  MU-AS, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         281       1895     248  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         135         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          77         26      67  NIKS, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         210        180      41  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          51          5      17  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  3596          37          8       4  Universidad Autonoma Metropolitana, MX
 20191          28         16       1  Pontificia Universidad Catolica de Chile,

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         383        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
 36914          27         82       3  KENET-AS, KE
  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/UbuntuNet/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
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  2152         444        507      94  CENIC-2152, US
  2018         383        319      71  TENET-1, ZA
   680         281       1895     248  DFN Verein zur Foerderung eines Deutschen
  2920         224         44      45  LACOE, US
  1916         210        180      41  Rede Nacional de Ensino e Pesquisa, BR
   376         200        162     149  RISQ-AS, CA
  1237         191         74     145  KREONET-AS-KR KISTI, KR
   786         185       1767     182  JANET Jisc Services Limited, GB

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

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

   ASN  No of nets  Net Savings  Description
  7497         451          426  CSTNET-AS-AP Computer Network Information Cente
  2152         444          350  CENIC-2152, US
  2018         383          312  TENET-1, ZA
  2920         224          179  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  1916         210          169  Rede Nacional de Ensino e Pesquisa, BR
 18558         140          136  NETBLK-RCOEK, US
  8895         135          130  ISU Internet Services Unit ISU, SA
 55824         132          113  NKN-CORE-NW NKN Core Network, IN
    81         134          101  NCREN, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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/UbuntuNet/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
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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      
/13:19      /14:35      /15:118     /16:1960    /17:413     /18:447     
/19:566     /20:830     /21:863     /22:1432    /23:1538    /24:10121   
/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
  8895         130         135  ISU Internet Services Unit ISU, SA
  2152          43         444  CENIC-2152, US
327700          40          46  MoRENet, MZ
 23024          37          95  OCDE, US
 32440          37          64  LONI, US
  3267          35          77  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US

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

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

   1:2         5:15        8:2        12:1        14:92       23:5      
  24:3        31:1        35:3        37:8        38:10       40:1      
  41:80       42:10       44:5        45:51       46:4        47:1      
  49:11       50:3        52:1        59:19       60:6        61:3      
  62:9        63:33       64:44       65:4        66:42       67:41     
  68:10       69:19       70:2        71:1        72:7        74:53     
  76:42       77:10       78:3        79:10       80:12       81:25     
  82:7        83:7        84:5        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      103:325    
 104:79      108:8       109:4       111:15      113:2       114:24     
 116:9       117:61      118:34      119:25      121:27      122:8      
 123:8       124:42      125:5       128:52      129:37      130:95     
 131:60      132:64      133:154     134:105     136:11      137:83     
 138:57      139:5       140:34      141:3       142:52      143:25     
 144:26      145:2       146:135     147:60      148:194     149:13     
 150:40      151:9       152:139     153:14      154:38      155:63     
 156:137     157:26      158:31      159:121     160:30      161:17     
 162:22      163:57      164:14      165:49      166:1       167:30     
 168:119     169:7       170:88      171:1       172:2       173:7      
 175:16      177:5       179:14      180:16      182:9       184:6      
 185:53      186:3       187:21      188:13      189:3       190:18     
 191:3       192:1446    193:272     194:142     195:75      196:149    
 197:7       198:527     199:247     200:315     201:38      202:638    
 203:437     204:395     205:160     206:207     207:289     208:66     
 209:135     210:217     211:3       212:167     213:6       216:60     
 217:9       218:21      219:5       220:17      222:2       223:15     


End of report


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