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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 6 20:16:34 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 06 May, 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:                              186851
    Prefixes after maximum aggregation (per Origin AS):           82160
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      102489
    Number of IPv4 prefixes with a valid ROA:                     73356
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         113475
Total ASes present in the Internet Routing Table:                 15971
    Prefixes per ASN:                                             11.70
Origin-only ASes present in the Internet Routing Table:           13791
Origin ASes announcing only one prefix:                            6310
Transit ASes present in the Internet Routing Table:                2180
Transit-only ASes present in the Internet Routing Table:            593
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               234
    Number of instances of unregistered ASNs:                       234
Number of 32-bit ASNs allocated by the RIRs:                      44392
Number of 32-bit ASNs visible in the Routing Table:                5801
Prefixes from 32-bit ASNs in the Routing Table:                   19081
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:             94
Number of addresses announced to Internet:                   1112448417
    Equivalent to 66 /8s, 78 /16s and 157 /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:       54135

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

Prefixes being announced by APNIC Region ASes:                    29784
    Total APNIC prefixes after maximum aggregation:                6935
    APNIC Deaggregation factor:                                    4.29
Prefixes being announced from the APNIC address blocks:           29449
    Unique aggregates announced from the APNIC address blocks:     7912
APNIC Region origin ASes present in the Internet Routing Table:    1138
    APNIC Prefixes per ASN:                                       25.88
APNIC Region origin ASes announcing only one prefix:                458
APNIC Region transit ASes present in the Internet Routing Table:    198
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    488
Number of APNIC addresses announced to Internet:              200189552
    Equivalent to 11 /8s, 238 /16s and 166 /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:                     85056
    Total ARIN prefixes after maximum aggregation:                46382
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83659
    Unique aggregates announced from the ARIN address blocks:     51455
ARIN Region origin ASes present in the Internet Routing Table:     7311
    ARIN Prefixes per ASN:                                        11.44
ARIN Region origin ASes announcing only one prefix:                3156
ARIN Region transit ASes present in the Internet Routing Table:     637
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:               651108449
    Equivalent to 38 /8s, 207 /16s and 32 /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:                     35914
    Total RIPE prefixes after maximum aggregation:                16958
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            36702
    Unique aggregates announced from the RIPE address blocks:     24438
RIPE Region origin ASes present in the Internet Routing Table:     3463
    RIPE Prefixes per ASN:                                        10.60
RIPE Region origin ASes announcing only one prefix:                1475
RIPE Region transit ASes present in the Internet Routing Table:     531
Average RIPE Region AS path length visible:                         5.9
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1271
Number of RIPE addresses announced to Internet:               159925712
    Equivalent to 9 /8s, 136 /16s and 69 /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:                   31292
    Total LACNIC prefixes after maximum aggregation:               9915
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          30993
    Unique aggregates announced from the LACNIC address blocks:   15730
LACNIC Region origin ASes present in the Internet Routing Table:   3160
    LACNIC Prefixes per ASN:                                       9.81
LACNIC Region origin ASes announcing only one prefix:              1137
LACNIC Region transit ASes present in the Internet Routing Table:   640
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:  2437
Number of LACNIC addresses announced to Internet:              73000960
    Equivalent to 4 /8s, 89 /16s and 232 /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:                   4571
    Total AfriNIC prefixes after maximum aggregation:              1786
    AfriNIC Deaggregation factor:                                  2.56
Prefixes being announced from the AfriNIC address blocks:          5954
    Unique aggregates announced from the AfriNIC address blocks:   2867
AfriNIC Region origin ASes present in the Internet Routing Table:   211
    AfriNIC Prefixes per ASN:                                     28.22
AfriNIC Region origin ASes announcing only one prefix:               84
AfriNIC Region transit ASes present in the Internet Routing Table:   67
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  104
Number of AfriNIC addresses announced to Internet:             28175872
    Equivalent to 1 /8s, 173 /16s and 238 /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        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1450        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        9811      11354    3484  AMAZON-02, US
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2834       3546    1347  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1746        112    1226  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1370        390     624  DNIC-ASBLK-05800-06055, US
  7979        1008         67     198  SERVERS-COM, US
   855         961        255      82  CANET-ASN-4, CA
 14618         906       4165     686  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        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1256        105    1022  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         810       1032     146  SAUDINETSTC-AS, SA
  8376         712         60      24  Jordan Data Communications, JO
  8452         616       1841      11  TE-AS TE-AS, EG
 51167         507         98     212  CONTABO, DE
 58224         507        242     365  TCI, IR
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         393         34       5  ASN-ISKON, HR

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        5490       1613     895  UNINET, MX
  3816        1316        788     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1102        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         897       1128      28  TELEFONICA BRASIL S.A, BR
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         489         66     214  Mega Cable, S.A. de C.V., MX
 27983         230         23     124  Red Intercable Digital S.A., AR
 22724         229         15      99  PUNTONET S.A., EC

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         614        209     253  LINKdotNET-AS, EG
 29571         523         53     162  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         239        278     184  ETISALAT-MISR, EG
 36914         200         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

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        9811      11354    3484  AMAZON-02, US
  9808        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5490       1613     895  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2834       3546    1347  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1746        112    1226  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1506        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        9648         9587  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5490         4595  UNINET, MX
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2834         1487  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1701         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1450         1377  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1316         1126  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      /12:93      
/13:125     /14:365     /15:705     /16:5925    /17:2481    /18:2556    
/19:5351    /20:8534    /21:10668   /22:19751   /23:20557   /24:109440  
/25:69      /26:40      /27:69      /28:19      /29:20      /30:15      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2960        5490  UNINET, MX
 16509        2091        9811  AMAZON-02, US
   209         960        1701  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         728         869  BRSPD-PUBLIC, US
  6147         697        1102  Telefonica del Peru S.A.A., PE
  8376         560         712  Jordan Data Communications, JO
  7979         451        1008  SERVERS-COM, US

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

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

   1:11        2:379       3:331       5:1087      6:150       7:5      
   8:610      11:171      12:654      13:302      14:102      15:282    
  16:174      17:6        18:738      20:34       21:4        22:188    
  23:1779     24:396      25:2        27:27       29:19       31:204    
  32:1        34:11       35:57       36:1173     37:417      38:893    
  39:525      40:11       41:616      42:13       43:172      44:28     
  45:2433     46:626      47:91       49:14       50:264      51:473    
  52:1359     54:273      55:999      57:16       58:7        59:38     
  60:19       61:65       62:337      63:483      64:1497     65:797    
  66:1241     67:663      68:166      69:745      70:148      71:191    
  72:375      74:718      75:394      76:204      77:318      78:520    
  79:172      80:221      81:203      82:173      83:100      84:183    
  85:352      86:154      87:149      88:117      89:513      90:98     
  91:552      92:403      93:794      94:491      95:1106     96:161    
  97:31       98:130      99:150     100:23      101:20      102:220    
 103:1052    104:724     105:130     106:3       107:206     108:299    
 109:274     110:34      111:1789    112:444     113:44      114:32     
 115:15      116:29      117:959     118:70      119:101     120:1075   
 121:18      122:87      123:20      124:57      125:12      128:358    
 129:288     130:513     131:773     132:494     133:195     134:336    
 135:68      136:366     137:415     138:774     139:390     140:598    
 141:330     142:697     143:600     144:330     145:64      146:471    
 147:388     148:612     149:478     150:291     151:573     152:538    
 153:118     154:560     155:681     156:443     157:275     158:315    
 159:584     160:632     161:432     162:666     163:283     164:644    
 165:382     166:98      167:402     168:953     169:154     170:1250   
 171:62      172:899     173:628     174:110     175:41      176:408    
 177:803     178:325     179:553     180:57      181:936     182:16     
 183:827     184:197     185:2386    186:842     187:800     188:577    
 189:1205    190:2758    191:195     192:3843    193:1268    194:837    
 195:562     196:405     197:372     198:1932    199:3572    200:2425   
 201:2471    202:1055    203:624     204:1754    205:1685    206:1117   
 207:1092    208:892     209:1430    210:344     211:431     212:695    
 213:553     214:1010    215:42      216:1698    217:322     218:525    
 219:24      220:29      221:302     222:22      223:634    

End of report


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