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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Dec 20 20:16:39 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Wed 20 Dec, 2023

  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:                              259038
    Prefixes after maximum aggregation (per Origin AS):          114556
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      139496
    Number of IPv4 prefixes with a valid ROA:                     98820
    Number of IPv4 prefixes with an invalid ROA:                     50
    Number of IPv4 prefixes with no ROA:                         160168
Total ASes present in the Internet Routing Table:                 20801
    Prefixes per ASN:                                             12.45
Origin-only ASes present in the Internet Routing Table:           18086
Origin ASes announcing only one prefix:                            8063
Transit ASes present in the Internet Routing Table:                2715
Transit-only ASes present in the Internet Routing Table:            659
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (272886)                              31
Prefixes from unregistered ASNs in the Routing Table:               377
    Number of instances of unregistered ASNs:                       377
Number of 32-bit ASNs allocated by the RIRs:                      43244
Number of 32-bit ASNs visible in the Routing Table:                7525
Prefixes from 32-bit ASNs in the Routing Table:                   27003
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:            129
Number of addresses announced to Internet:                   1488032841
    Equivalent to 88 /8s, 177 /16s and 148 /24s
    Percentage of available address space announced:               40.2
    Percentage of allocated address space announced:               40.2
    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:       88228

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

Prefixes being announced by APNIC Region ASes:                    30731
    Total APNIC prefixes after maximum aggregation:                7322
    APNIC Deaggregation factor:                                    4.20
Prefixes being announced from the APNIC address blocks:           30333
    Unique aggregates announced from the APNIC address blocks:     8430
APNIC Region origin ASes present in the Internet Routing Table:    1203
    APNIC Prefixes per ASN:                                       25.21
APNIC Region origin ASes announcing only one prefix:                493
APNIC Region transit ASes present in the Internet Routing Table:    196
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    529
Number of APNIC addresses announced to Internet:              212741000
    Equivalent to 12 /8s, 174 /16s and 43 /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:                    119146
    Total ARIN prefixes after maximum aggregation:                62732
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           119123
    Unique aggregates announced from the ARIN address blocks:     69336
ARIN Region origin ASes present in the Internet Routing Table:     9619
    ARIN Prefixes per ASN:                                        12.38
ARIN Region origin ASes announcing only one prefix:                3948
ARIN Region transit ASes present in the Internet Routing Table:     856
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2049
Number of ARIN addresses announced to Internet:               841370817
    Equivalent to 50 /8s, 38 /16s and 76 /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, 393216-401308
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:                     56418
    Total RIPE prefixes after maximum aggregation:                28430
    RIPE Deaggregation factor:                                     1.98
Prefixes being announced from the RIPE address blocks:            55442
    Unique aggregates announced from the RIPE address blocks:     37368
RIPE Region origin ASes present in the Internet Routing Table:     5212
    RIPE Prefixes per ASN:                                        10.64
RIPE Region origin ASes announcing only one prefix:                2194
RIPE Region transit ASes present in the Internet Routing Table:     733
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1976
Number of RIPE addresses announced to Internet:               303592448
    Equivalent to 18 /8s, 24 /16s and 116 /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:                   43297
    Total LACNIC prefixes after maximum aggregation:              13458
    LACNIC Deaggregation factor:                                   3.22
Prefixes being announced from the LACNIC address blocks:          42583
    Unique aggregates announced from the LACNIC address blocks:   20255
LACNIC Region origin ASes present in the Internet Routing Table:   3703
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              1333
LACNIC Region transit ASes present in the Internet Routing Table:   755
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2853
Number of LACNIC addresses announced to Internet:              89458688
    Equivalent to 5 /8s, 85 /16s and 8 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                   9069
    Total AfriNIC prefixes after maximum aggregation:              2325
    AfriNIC Deaggregation factor:                                  3.90
Prefixes being announced from the AfriNIC address blocks:         11428
    Unique aggregates announced from the AfriNIC address blocks:   3982
AfriNIC Region origin ASes present in the Internet Routing Table:   251
    AfriNIC Prefixes per ASN:                                     45.53
AfriNIC Region origin ASes announcing only one prefix:               95
AfriNIC Region transit ASes present in the Internet Routing Table:   62
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  118
Number of AfriNIC addresses announced to Internet:             40730368
    Equivalent to 2 /8s, 109 /16s and 127 /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        9588       8733      46  CHINAMOBILE-CN China Mobile Communicati
 56047        1508        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1433        842     106  CMNET-JIANGSU-AP China Mobile communica
 56041        1431        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         751        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         738      10616     152  GIGAINFRA SoftBank Corp., JP
  9394         610       4158      52  CTTNET China TieTong Telecommunications
  2907         603       2162     466  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

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        9455      11199    3359  AMAZON-02, US
 22773        3471       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2959       3850    1414  DNIC-ASBLK-00306-00371, US
  7018        2521      23623    1569  ATT-INTERNET4, US
  5650        1990       2758    1410  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1845        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1751       3095     445  CELLCO-PART, US
   209        1710       4899     328  CENTURYLINK-US-LEGACY-QWEST, 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        4570        271      54  ALJAWWALSTC-AS, SA
 20940        1568        139    1246  AKAMAI-ASN1, NL
 25019         903       1035     152  SAUDINETSTC-AS, SA
  3215         893       4823     300  France Telecom - Orange, FR
  8452         807       1841      14  TE-AS TE-AS, EG
 61317         800         55     713  ASDETUK www.heficed.com, US
 34984         767         91     491  TELLCOM-AS, TR
  8376         732         59      21  Jordan Data Communications, JO
  8386         707        109     242  KOCNET, TR
 15897         572        188      20  VODAFONETURKEY, TR

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        5826       1662    1008  UNINET, MX
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad
  3816        1306        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1086        369      22  Telefonica del Peru S.A.A., PE
 26615        1049       2502      52  TIM SA, BR
 18881         990       1120      28  TELEFONICA BRASIL S.A, BR
 11664         923        151     401  Techtel LMDS Comunicaciones Interactiva
 28006         616         75     279  CORPORACION NACIONAL DE TELECOMUNICACIO
 26599         596       2965      47  TELEFONICA BRASIL S.A, BR

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        1164        388      22  LINKdotNET-AS, EG
 24835        1017        457      25  RAYA-AS, EG
 29571         801         60     137  ORANGE-COTE-IVOIRE, CI
 36992         673        993     338  ETISALAT-MISR, EG
 36935         670        520      41  Vodafone-, EG
 36914         525         82       3  KENET-AS, KE
 15399         430         38     145  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
  2018         381        319      71  TENET-1, ZA
 37693         313        594      41  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
  9808        9588       8733      46  CHINAMOBILE-CN China Mobile Communicati
 16509        9455      11199    3359  AMAZON-02, US
  8151        5826       1662    1008  UNINET, MX
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 22773        3471       3038     293  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2959       3850    1414  DNIC-ASBLK-00306-00371, US
  7018        2521      23623    1569  ATT-INTERNET4, US
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad

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

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

   ASN  No of nets  Net Savings  Description
 16509        9455         6096  AMAZON-02, US
  8151        5826         4818  UNINET, MX
 39891        4570         4516  ALJAWWALSTC-AS, SA
 22773        3471         3178  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2005         1941  Instituto Costarricense de Electricidad y Telec
 11776        1845         1624  ATLANTICBB-JOHNSTOWN, US
   367        2959         1545  DNIC-ASBLK-00306-00371, US
 18566        1855         1543  MEGAPATH5-, US
 56047        1508         1474  CMNET-HUNAN-AP China Mobile communications corp
   209        1710         1382  CENTURYLINK-US-LEGACY-QWEST, US

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    396451  UNALLOCATED  12.6.254.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            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             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
45.42.252.0/22       Origin:     16509  AMAZON-02, US
45.42.252.0/22      Transit:     24482  SGGS-AS-AP SG.GS, SG

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        /8:13       /9:8       /10:29      /11:45      /12:127     
/13:188     /14:501     /15:1001    /16:7420    /17:3483    /18:4032    
/19:7917    /20:12343   /21:15539   /22:28821   /23:29252   /24:148040  
/25:85      /26:61      /27:72      /28:18      /29:22      /30:15      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 39891        3324        4570  ALJAWWALSTC-AS, SA
  8151        3066        5826  UNINET, MX
 22773        2530        3471  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1943        9455  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1703        2005  Instituto Costarricense de Electricidad y Telec
  5650        1405        1990  FRONTIER-FRTR, US
 10620        1337        2214  Telmex Colombia S.A., CO
  7018        1099        2521  ATT-INTERNET4, US
   209         964        1710  CENTURYLINK-US-LEGACY-QWEST, US

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

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

   1:15        2:514       3:251       4:5         5:1350      6:150    
   7:5         8:731      11:171      12:1095     13:317      14:102    
  15:284      16:167      17:6        18:655      20:244      21:4      
  22:188      23:2431     24:782      25:2        27:25       29:19     
  31:446      32:37       34:2        35:56       36:1102     37:919    
  38:1336     39:504      40:62       41:1050     42:20       43:215    
  44:41       45:3420     46:891      47:154      49:22       50:344    
  51:477      52:1388     54:346      55:889      56:5        57:23     
  58:7        59:32       60:18       61:70       62:594      63:888    
  64:2090     65:1152     66:2231     67:952      68:581      69:1191   
  70:483      71:265      72:725      74:1052     75:438      76:243    
  77:346      78:629      79:241      80:388      81:366      82:291    
  83:160      84:328      85:531      86:227      87:285      88:222    
  89:605      90:103      91:984      92:502      93:934      94:677    
  95:1227     96:280      97:69       98:550      99:163     100:45     
 101:23      102:309     103:1209    104:1429    105:64      106:42     
 107:1405    108:530     109:340     110:33      111:1740    112:472    
 113:59      114:33      115:14      116:46      117:953     118:64     
 119:150     120:1080    121:42      122:93      123:81      124:57     
 125:16      128:447     129:378     130:612     131:1083    132:556    
 133:267     134:448     135:123     136:421     137:538     138:884    
 139:540     140:576     141:280     142:801     143:658     144:380    
 145:90      146:606     147:423     148:694     149:697     150:294    
 151:610     152:539     153:146     154:674     155:759     156:608    
 157:330     158:432     159:665     160:941     161:640     162:968    
 163:404     164:652     165:564     166:587     167:616     168:1410   
 169:185     170:1518    171:98      172:1297    173:858     174:279    
 175:42      176:834     177:942     178:447     179:729     180:58     
 181:1691    182:14      183:874     184:502     185:3543    186:1953   
 187:916     188:822     189:1297    190:4378    191:383     192:4915   
 193:1988    194:1453    195:1135    196:964     197:757     198:2583   
 199:3402    200:3204    201:3204    202:1108    203:642     204:2230   
 205:1858    206:1634    207:1408    208:1439    209:1937    210:336    
 211:475     212:1045    213:883     214:1075    215:43      216:2523   
 217:568     218:524     219:24      220:29      221:292     222:33     
 223:617    

End of report


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