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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Nov 19 22:42:00 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 19 Nov, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              983047
    Prefixes after maximum aggregation (per Origin AS):          361519
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      454792
Total ASes present in the Internet Routing Table:                 75305
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           64622
Origin ASes announcing only one prefix:                           25959
Transit ASes present in the Internet Routing Table:               10683
Transit-only ASes present in the Internet Routing Table:            496
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                     250
    Max AS path prepend of ASN ( 28025)                             246
Prefixes from unregistered ASNs in the Routing Table:              1342
    Number of instances of unregistered ASNs:                      1352
Number of 32-bit ASNs allocated by the RIRs:                      43080
Number of 32-bit ASNs visible in the Routing Table:               35507
Prefixes from 32-bit ASNs in the Routing Table:                  185236
Number of bogon 32-bit ASNs visible in the Routing Table:           197
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            606
Number of addresses announced to Internet:                   3050993437
    Equivalent to 181 /8s, 218 /16s and 119 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      338595

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

Prefixes being announced by APNIC Region ASes:                   256172
    Total APNIC prefixes after maximum aggregation:               72286
    APNIC Deaggregation factor:                                    3.54
Prefixes being announced from the APNIC address blocks:          249212
    Unique aggregates announced from the APNIC address blocks:    99177
APNIC Region origin ASes present in the Internet Routing Table:   13829
    APNIC Prefixes per ASN:                                       18.02
APNIC Region origin ASes announcing only one prefix:               4103
APNIC Region transit ASes present in the Internet Routing Table:   1875
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9145
Number of APNIC addresses announced to Internet:              772278688
    Equivalent to 46 /8s, 8 /16s and 9 /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:                    281700
    Total ARIN prefixes after maximum aggregation:               125687
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           285982
    Unique aggregates announced from the ARIN address blocks:    132249
ARIN Region origin ASes present in the Internet Routing Table:    19097
    ARIN Prefixes per ASN:                                        14.98
ARIN Region origin ASes announcing only one prefix:                6933
ARIN Region transit ASes present in the Internet Routing Table:    1887
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4833
Number of ARIN addresses announced to Internet:              1276978752
    Equivalent to 76 /8s, 29 /16s and 38 /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:                    281413
    Total RIPE prefixes after maximum aggregation:               127870
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275124
    Unique aggregates announced from the RIPE address blocks:    160814
RIPE Region origin ASes present in the Internet Routing Table:    28570
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12059
RIPE Region transit ASes present in the Internet Routing Table:    3985
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11488
Number of RIPE addresses announced to Internet:               715204061
    Equivalent to 42 /8s, 161 /16s and 37 /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:                  128441
    Total LACNIC prefixes after maximum aggregation:              28755
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         127603
    Unique aggregates announced from the LACNIC address blocks:   49279
LACNIC Region origin ASes present in the Internet Routing Table:  11050
    LACNIC Prefixes per ASN:                                      11.55
LACNIC Region origin ASes announcing only one prefix:              2281
LACNIC Region transit ASes present in the Internet Routing Table:  2384
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                       250
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8887
Number of LACNIC addresses announced to Internet:             178430816
    Equivalent to 10 /8s, 162 /16s and 163 /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:                  33979
    Total AfriNIC prefixes after maximum aggregation:              6090
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         44519
    Unique aggregates announced from the AfriNIC address blocks:  12763
AfriNIC Region origin ASes present in the Internet Routing Table:  1811
    AfriNIC Prefixes per ASN:                                     24.58
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  340
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1154
Number of AfriNIC addresses announced to Internet:            107650816
    Equivalent to 6 /8s, 106 /16s and 159 /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        9736       8730      44  CHINAMOBILE-CN China Mobile Communicati
  7545        5697        786     694  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4296        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3828       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3601       1047      70  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3263        494     246  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3262       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2733      11270     604  KIXS-AS-KR Korea Telecom, KR
 24560        2586        852     376  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9286      11134    3323  AMAZON-02, US
 11492        4556        302     675  CABLEONE, US
  7155        4184        289     100  VIASAT-SP-BACKBONE, US
   174        3921       6659     634  COGENT-174, US
 22773        3632       3077     305  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3555       1320      67  SHAW, CA
   749        3159      54932    2411  DNIC-AS-00749, US
 16625        3082       1399    2313  AKAMAI-AS, US
   367        3023       3868    1420  DNIC-ASBLK-00306-00371, US
396982        2722       3631     374  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8701       1184    2858  TTNET, TR
 12479        7481       1713     145  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4086       3398     169  AKAMAI-ASN1, NL
  9009        3437        297    1594  M247, RO
  8551        3434        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3008       2296     920  ROSTELECOM-AS, RU
  5384        2497        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2464       1852      14  TE-AS TE-AS, EG
 34984        2366        363     582  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12143       3376     612  UNINET, MX
 10620        3527        499     871  Telmex Colombia S.A., CO
 13999        2445        335     646  Mega Cable, S.A. de C.V., MX
 11830        2009        369      64  Instituto Costarricense de Electricidad
 28573        1333       2322     236  Claro NXT Telecomunicacoes Ltda, BR
  3816        1299        778     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1250        342     505  Axtel, S.A.B. de C.V., MX
  6147        1101        369      22  Telefonica del Peru S.A.A., PE
 11664        1074        172     436  Techtel LMDS Comunicaciones Interactiva
 28202        1063         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1626        319      45  Telkom-Internet, ZA
 24863        1606        393      19  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      53  ORANGE-COTE-IVOIRE, CI
 36935         935        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 37342         511         32       1  MOVITEL, MZ
 15399         504         53      41  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12143       3376     612  UNINET, MX
  9808        9736       8730      44  CHINAMOBILE-CN China Mobile Communicati
 16509        9286      11134    3323  AMAZON-02, US
 47331        8701       1184    2858  TTNET, TR
 12479        7481       1713     145  UNI2-AS, ES
  7545        5697        786     694  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4556        302     675  CABLEONE, US
 18403        4296        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9736         9692  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7481         7336  UNI2-AS, ES
 16509        9286         5963  AMAZON-02, US
 47331        8701         5843  TTNET, TR
  7545        5697         5003  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007         4932  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4296         4271  FPT-AS-AP FPT Telecom Company, VN
  7155        4184         4084  VIASAT-SP-BACKBONE, US
 20940        4086         3917  AKAMAI-ASN1, NL

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     64512  PRIVATE      8.10.33.0/24             14127  ILAND, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:99      /12:301     
/13:584     /14:1213    /15:2143    /16:13609   /17:8579    /18:14218   
/19:25618   /20:45604   /21:54251   /22:114362  /23:107330  /24:590194  
/25:1125    /26:1085    /27:1494    /28:161     /29:242     /30:79      
/31:77      /32:610     

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

   ASN  No of nets  Total ann.  Description
 47331        7817        8701  TTNET, TR
 12479        6570        7481  UNI2-AS, ES
  8151        6139       12143  UNINET, MX
 11492        3469        4556  CABLEONE, US
  6327        3364        3555  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3130        4184  VIASAT-SP-BACKBONE, US
  8551        2911        3434  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2679        3632  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2136        2481  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2263      2:1598      3:275       4:8         5:4610      6:162    
   7:6         8:1624      9:1        11:172      12:1498     13:366    
  14:2335     15:304      16:205      17:371      18:674      20:336    
  21:4        22:188      23:6529     24:2973     25:2        27:2663   
  29:19       31:2727     32:76       34:34       35:120      36:2043   
  37:4582     38:6716     39:884      40:150      41:4662     42:2084   
  43:2385     44:336      45:17532    46:4550     47:381      49:1882   
  50:1909     51:577      52:1624     54:392      55:885      56:5      
  57:139      58:1972     59:1193     60:1011     61:2748     62:2844   
  63:1933     64:5706     65:2394     66:5165     67:3132     68:1373   
  69:4178     70:1401     71:615      72:3016     74:2674     75:1610   
  76:629      77:2477     78:4076     79:3052     80:2177     81:2089   
  82:1589     83:1376     84:1629     85:3846     86:880      87:2223   
  88:2953     89:4012     90:632      91:8039     92:2231     93:2688   
  94:3756     95:5134     96:1332     97:316      98:1103     99:737    
 100:125     101:1401    102:3427    103:32791   104:4780    105:2016   
 106:989     107:2797    108:1151    109:4289    110:2165    111:3168   
 112:2103    113:1688    114:1728    115:2095    116:1987    117:2565   
 118:2745    119:2020    120:1810    121:1276    122:2762    123:2261   
 124:1655    125:2678    128:1588    129:1006    130:1108    131:2084   
 132:979     133:408     134:1727    135:340     136:926     137:1003   
 138:2880    139:1584    140:1337    141:1341    142:1575    143:1596   
 144:1009    145:342     146:2000    147:1655    148:2498    149:2417   
 150:1031    151:1273    152:1984    153:594     154:5629    155:1394   
 156:2154    157:1383    158:1066    159:2219    160:2688    161:1625   
 162:3602    163:1641    164:1726    165:1917    166:1085    167:1768   
 168:4014    169:815     170:4918    171:996     172:3778    173:3033   
 174:962     175:1234    176:3780    177:5460    178:3582    179:2455   
 180:2355    181:3634    182:3388    183:2016    184:2286    185:20982  
 186:5097    187:4666    188:4247    189:4316    190:9548    191:1895   
 192:11074   193:9036    194:7528    195:5465    196:3639    197:2898   
 198:6081    199:6549    200:8321    201:6387    202:10993   203:10497  
 204:4627    205:3719    206:4489    207:3567    208:4165    209:4977   
 210:4630    211:2583    212:4384    213:3519    214:1113    215:71     
 216:6857    217:3029    218:1349    219:612     220:2034    221:1008   
 222:867     223:2213   

End of report


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