[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 27 20:16:28 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sat 27 Apr, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              185885
    Prefixes after maximum aggregation (per Origin AS):           81542
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      101074
    Number of IPv4 prefixes with a valid ROA:                     71927
    Number of IPv4 prefixes with an invalid ROA:                     17
    Number of IPv4 prefixes with no ROA:                         113941
Total ASes present in the Internet Routing Table:                 15648
    Prefixes per ASN:                                             11.88
Origin-only ASes present in the Internet Routing Table:           13529
Origin ASes announcing only one prefix:                            6197
Transit ASes present in the Internet Routing Table:                2119
Transit-only ASes present in the Internet Routing Table:            574
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               231
    Number of instances of unregistered ASNs:                       231
Number of 32-bit ASNs allocated by the RIRs:                      44303
Number of 32-bit ASNs visible in the Routing Table:                5609
Prefixes from 32-bit ASNs in the Routing Table:                   18799
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             92
Number of addresses announced to Internet:                   1111871393
    Equivalent to 66 /8s, 69 /16s and 207 /24s
    Percentage of available address space announced:               30.0
    Percentage of allocated address space announced:               30.0
    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:       53702

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

Prefixes being announced by APNIC Region ASes:                    29746
    Total APNIC prefixes after maximum aggregation:                6878
    APNIC Deaggregation factor:                                    4.32
Prefixes being announced from the APNIC address blocks:           29427
    Unique aggregates announced from the APNIC address blocks:     7876
APNIC Region origin ASes present in the Internet Routing Table:    1100
    APNIC Prefixes per ASN:                                       26.75
APNIC Region origin ASes announcing only one prefix:                445
APNIC Region transit ASes present in the Internet Routing Table:    193
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    471
Number of APNIC addresses announced to Internet:              198812528
    Equivalent to 11 /8s, 217 /16s and 163 /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:                     84959
    Total ARIN prefixes after maximum aggregation:                46390
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83526
    Unique aggregates announced from the ARIN address blocks:     51201
ARIN Region origin ASes present in the Internet Routing Table:     7310
    ARIN Prefixes per ASN:                                        11.43
ARIN Region origin ASes announcing only one prefix:                3157
ARIN Region transit ASes present in the Internet Routing Table:     628
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1501
Number of ARIN addresses announced to Internet:               650078049
    Equivalent to 38 /8s, 191 /16s and 103 /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:                     35136
    Total RIPE prefixes after maximum aggregation:                16489
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35898
    Unique aggregates announced from the RIPE address blocks:     23685
RIPE Region origin ASes present in the Internet Routing Table:     3375
    RIPE Prefixes per ASN:                                        10.64
RIPE Region origin ASes announcing only one prefix:                1445
RIPE Region transit ASes present in the Internet Routing Table:     530
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1251
Number of RIPE addresses announced to Internet:               160209616
    Equivalent to 9 /8s, 140 /16s and 154 /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:                   31625
    Total LACNIC prefixes after maximum aggregation:               9905
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          31334
    Unique aggregates announced from the LACNIC address blocks:   15467
LACNIC Region origin ASes present in the Internet Routing Table:   2981
    LACNIC Prefixes per ASN:                                      10.51
LACNIC Region origin ASes announcing only one prefix:              1066
LACNIC Region transit ASes present in the Internet Routing Table:   600
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2282
Number of LACNIC addresses announced to Internet:              74448896
    Equivalent to 4 /8s, 112 /16s and 0 /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:                   4188
    Total AfriNIC prefixes after maximum aggregation:              1695
    AfriNIC Deaggregation factor:                                  2.47
Prefixes being announced from the AfriNIC address blocks:          5608
    Unique aggregates announced from the AfriNIC address blocks:   2759
AfriNIC Region origin ASes present in the Internet Routing Table:   212
    AfriNIC Prefixes per ASN:                                     26.45
AfriNIC Region origin ASes announcing only one prefix:               84
AfriNIC Region transit ASes present in the Internet Routing Table:   61
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  104
Number of AfriNIC addresses announced to Internet:             28281600
    Equivalent to 1 /8s, 175 /16s and 139 /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
  9808        9700       8743      62  CHINAMOBILE-CN China Mobile Communicati
 56047        1507        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1491        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1449        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         725      10640     155  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  CMNET-GUANGDONG-AP China Mobile communi

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9793      11354    3513  AMAZON-02, US
   749        3200      54911    2452  DNIC-AS-00749, US
   367        2801       3529    1348  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1702       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1699        109    1211  USDA-1, US
  5972        1400        393     634  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         900       4165     681  AMAZON-AES, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4741        285      59  ALJAWWALSTC-AS, SA
 20940        1300        109    1060  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         714         59      22  Jordan Data Communications, JO
  8452         613       1841      11  TE-AS TE-AS, EG
 51167         502         96     209  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         393         34       5  ASN-ISKON, HR
 57878         380         31     187  PRAGER-IT, AT

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5900       1710     930  UNINET, MX
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1104        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         922       1128      28  TELEFONICA BRASIL S.A, BR
 11664         596        104     227  Techtel LMDS Comunicaciones Interactiva
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         475         65     209  Mega Cable, S.A. de C.V., MX
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         613        209     253  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 36992         328        479     241  ETISALAT-MISR, EG
 36935         266         66      79  Vodafone-, EG
 36914         204         82       3  KENET-AS, KE
 37282         157         20      54  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 29571         111         39      42  ORANGE-COTE-IVOIRE, CI

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9793      11354    3513  AMAZON-02, US
  9808        9700       8743      62  CHINAMOBILE-CN China Mobile Communicati
  8151        5900       1710     930  UNINET, MX
 39891        4741        285      59  ALJAWWALSTC-AS, SA
   749        3200      54911    2452  DNIC-AS-00749, US
   367        2801       3529    1348  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1702       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1699        109    1211  USDA-1, US
 56047        1507        192      47  CMNET-HUNAN-AP China Mobile communicati

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9700         9638  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5900         4970  UNINET, MX
 39891        4741         4682  ALJAWWALSTC-AS, SA
 11776        1858         1638  ATLANTICBB-JOHNSTOWN, US
 56047        1507         1460  CMNET-HUNAN-AP China Mobile communications corp
   367        2801         1453  DNIC-ASBLK-00306-00371, US
   209        1702         1389  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1491         1381  CMNET-JIANGSU-AP China Mobile communications co
 56041        1449         1376  CMNET-ZHEJIANG-AP China Mobile communications c
  3816        1313         1116  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:30      /12:92      
/13:125     /14:364     /15:706     /16:5920    /17:2478    /18:2596    
/19:5357    /20:8537    /21:10873   /22:19544   /23:20377   /24:108596  
/25:76      /26:49      /27:71      /28:19      /29:20      /30:17      
/31:0       /32:4       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 39891        3424        4741  ALJAWWALSTC-AS, SA
  8151        3158        5900  UNINET, MX
 16509        2094        9793  AMAZON-02, US
   209         961        1702  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1858  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         726         867  BRSPD-PUBLIC, US
  6147         699        1104  Telefonica del Peru S.A.A., PE
  8376         559         714  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:10        2:364       3:327       5:1061      6:149       7:5      
   8:614      11:171      12:656      13:307      14:100      15:281    
  16:173      17:6        18:738      20:34       21:4        22:188    
  23:1785     24:395      25:2        27:27       29:19       31:176    
  32:1        34:11       35:58       36:1178     37:423      38:846    
  39:524      40:11       41:542      42:13       43:174      44:29     
  45:2331     46:607      47:94       49:11       50:261      51:476    
  52:1355     54:271      55:985      57:16       58:7        59:38     
  60:19       61:63       62:341      63:481      64:1514     65:795    
  66:1243     67:683      68:166      69:753      70:146      71:188    
  72:372      74:739      75:393      76:202      77:308      78:486    
  79:172      80:211      81:175      82:180      83:100      84:178    
  85:340      86:152      87:148      88:118      89:514      90:98     
  91:555      92:390      93:790      94:509      95:1078     96:162    
  97:31       98:130      99:151     100:22      101:21      102:225    
 103:1020    104:728     105:100     106:3       107:208     108:299    
 109:260     110:34      111:1795    112:448     113:44      114:32     
 115:15      116:28      117:958     118:70      119:100     120:1089   
 121:17      122:87      123:23      124:57      125:12      128:358    
 129:276     130:501     131:762     132:495     133:195     134:337    
 135:68      136:364     137:411     138:753     139:389     140:595    
 141:321     142:697     143:605     144:329     145:65      146:468    
 147:320     148:592     149:487     150:292     151:567     152:536    
 153:118     154:546     155:675     156:435     157:275     158:315    
 159:592     160:371     161:422     162:682     163:293     164:635    
 165:380     166:95      167:396     168:932     169:161     170:1281   
 171:63      172:894     173:619     174:109     175:34      176:412    
 177:726     178:299     179:499     180:49      181:975     182:13     
 183:856     184:197     185:2330    186:1015    187:796     188:488    
 189:1141    190:2845    191:189     192:3814    193:1261    194:828    
 195:558     196:381     197:385     198:1946    199:3504    200:2550   
 201:2474    202:1053    203:626     204:1734    205:1657    206:1143   
 207:1096    208:979     209:1436    210:329     211:431     212:698    
 213:565     214:1020    215:43      216:1703    217:283     218:526    
 219:24      220:29      221:302     222:22      223:637    

End of report


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