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

REN Routing Table Report cscora at bgp.nsrc.org
Sun May 5 20:16:32 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sun 05 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:                              185565
    Prefixes after maximum aggregation (per Origin AS):           81289
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      100598
    Number of IPv4 prefixes with a valid ROA:                     72520
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         113025
Total ASes present in the Internet Routing Table:                 15706
    Prefixes per ASN:                                             11.81
Origin-only ASes present in the Internet Routing Table:           13581
Origin ASes announcing only one prefix:                            6200
Transit ASes present in the Internet Routing Table:                2125
Transit-only ASes present in the Internet Routing Table:            570
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:               233
    Number of instances of unregistered ASNs:                       233
Number of 32-bit ASNs allocated by the RIRs:                      44392
Number of 32-bit ASNs visible in the Routing Table:                5630
Prefixes from 32-bit ASNs in the Routing Table:                   18868
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:             93
Number of addresses announced to Internet:                   1111722145
    Equivalent to 66 /8s, 67 /16s and 136 /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:       53284

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

Prefixes being announced by APNIC Region ASes:                    29828
    Total APNIC prefixes after maximum aggregation:                6942
    APNIC Deaggregation factor:                                    4.30
Prefixes being announced from the APNIC address blocks:           29479
    Unique aggregates announced from the APNIC address blocks:     7933
APNIC Region origin ASes present in the Internet Routing Table:    1145
    APNIC Prefixes per ASN:                                       25.75
APNIC Region origin ASes announcing only one prefix:                461
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:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    490
Number of APNIC addresses announced to Internet:              200214128
    Equivalent to 11 /8s, 239 /16s and 6 /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:                     85036
    Total ARIN prefixes after maximum aggregation:                46403
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83694
    Unique aggregates announced from the ARIN address blocks:     51444
ARIN Region origin ASes present in the Internet Routing Table:     7300
    ARIN Prefixes per ASN:                                        11.46
ARIN Region origin ASes announcing only one prefix:                3144
ARIN Region transit ASes present in the Internet Routing Table:     635
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:    1494
Number of ARIN addresses announced to Internet:               651076705
    Equivalent to 38 /8s, 206 /16s and 164 /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:                     35166
    Total RIPE prefixes after maximum aggregation:                16499
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35956
    Unique aggregates announced from the RIPE address blocks:     23747
RIPE Region origin ASes present in the Internet Routing Table:     3385
    RIPE Prefixes per ASN:                                        10.62
RIPE Region origin ASes announcing only one prefix:                1443
RIPE Region transit ASes present in the Internet Routing Table:     519
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1254
Number of RIPE addresses announced to Internet:               159689424
    Equivalent to 9 /8s, 132 /16s and 170 /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:                   30721
    Total LACNIC prefixes after maximum aggregation:               9463
    LACNIC Deaggregation factor:                                   3.25
Prefixes being announced from the LACNIC address blocks:          30405
    Unique aggregates announced from the LACNIC address blocks:   14499
LACNIC Region origin ASes present in the Internet Routing Table:   2991
    LACNIC Prefixes per ASN:                                      10.17
LACNIC Region origin ASes announcing only one prefix:              1061
LACNIC Region transit ASes present in the Internet Routing Table:   599
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:  2284
Number of LACNIC addresses announced to Internet:              72498688
    Equivalent to 4 /8s, 82 /16s and 62 /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:                   4581
    Total AfriNIC prefixes after maximum aggregation:              1797
    AfriNIC Deaggregation factor:                                  2.55
Prefixes being announced from the AfriNIC address blocks:          5938
    Unique aggregates announced from the AfriNIC address blocks:   2887
AfriNIC Region origin ASes present in the Internet Routing Table:   220
    AfriNIC Prefixes per ASN:                                     26.99
AfriNIC Region origin ASes announcing only one prefix:               91
AfriNIC Region transit ASes present in the Internet Routing Table:   67
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:  108
Number of AfriNIC addresses announced to Internet:             28195072
    Equivalent to 1 /8s, 174 /16s and 57 /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        9798      11351    3521  AMAZON-02, US
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2827       3544    1343  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1733        111    1217  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1397        393     634  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         961        255      82  CANET-ASN-4, CA
 14618         905       4165     685  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        1262        106    1028  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         810       1032     146  SAUDINETSTC-AS, SA
  8376         711         60      24  Jordan Data Communications, JO
  8452         581       1841      11  TE-AS TE-AS, EG
 51167         507         98     212  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         390         34       5  ASN-ISKON, HR
 35819         382        382      91  MOBILY-AS Etihad Etisalat Company Mobil

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        5820       1599     770  UNINET, MX
  3816        1315        788     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1101        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
 22724         229         15      99  PUNTONET S.A., EC
 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         616        209     253  LINKdotNET-AS, EG
 29571         523         53     162  ORANGE-COTE-IVOIRE, CI
  2018         378        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        9798      11351    3521  AMAZON-02, US
  9808        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5820       1599     770  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2827       3544    1343  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1733        111    1217  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
  8151        5820         5050  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2827         1484  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        1315         1120  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
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW
41.57.127.0/24       Origin:     37442  RESERVED, ZZ
41.57.127.0/24      Transit:     37204  TELONE, ZW
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM

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    /17:2488    /18:2569    
/19:5385    /20:8574    /21:10668   /22:19434   /23:20230   /24:108704  
/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        3125        5820  UNINET, MX
 16509        2089        9798  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         868  BRSPD-PUBLIC, US
  6147         696        1101  Telefonica del Peru S.A.A., PE
  8376         559         711  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)
----------------------------------------------

   1:11        2:368       3:329       5:1063      6:150       7:5      
   8:610      11:171      12:654      13:304      14:101      15:282    
  16:174      17:6        18:737      20:34       21:4        22:188    
  23:1774     24:390      25:2        27:27       29:19       31:186    
  32:1        34:11       35:57       36:1174     37:423      38:913    
  39:525      40:11       41:609      42:13       43:176      44:28     
  45:2359     46:615      47:94       49:14       50:263      51:473    
  52:1362     54:272      55:993      57:16       58:7        59:38     
  60:19       61:65       62:334      63:481      64:1497     65:793    
  66:1238     67:663      68:166      69:746      70:148      71:191    
  72:373      74:721      75:394      76:203      77:308      78:492    
  79:172      80:210      81:177      82:172      83:100      84:180    
  85:344      86:153      87:151      88:119      89:515      90:98     
  91:551      92:390      93:796      94:502      95:1077     96:161    
  97:31       98:130      99:150     100:23      101:20      102:226    
 103:1052    104:725     105:130     106:3       107:206     108:297    
 109:259     110:34      111:1789    112:445     113:45      114:32     
 115:15      116:29      117:959     118:70      119:101     120:1075   
 121:18      122:89      123:20      124:57      125:12      128:355    
 129:288     130:510     131:769     132:493     133:195     134:337    
 135:68      136:364     137:414     138:764     139:389     140:599    
 141:331     142:696     143:610     144:329     145:65      146:469    
 147:320     148:620     149:486     150:291     151:565     152:537    
 153:118     154:565     155:680     156:443     157:280     158:314    
 159:585     160:635     161:430     162:676     163:282     164:637    
 165:381     166:98      167:402     168:941     169:157     170:1183   
 171:62      172:887     173:630     174:110     175:41      176:399    
 177:723     178:318     179:504     180:49      181:932     182:24     
 183:827     184:206     185:2390    186:830     187:787     188:494    
 189:1210    190:2751    191:191     192:3847    193:1261    194:836    
 195:562     196:407     197:373     198:1941    199:3562    200:2387   
 201:2458    202:1055    203:626     204:1757    205:1685    206:1118   
 207:1092    208:895     209:1429    210:345     211:431     212:696    
 213:556     214:1013    215:42      216:1698    217:281     218:526    
 219:24      220:29      221:302     222:22      223:634    

End of report


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