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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Oct 8 22:41:21 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 08 Oct, 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:                              984027
    Prefixes after maximum aggregation (per Origin AS):          360714
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453510
Total ASes present in the Internet Routing Table:                 75185
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64511
Origin ASes announcing only one prefix:                           25950
Transit ASes present in the Internet Routing Table:               10674
Transit-only ASes present in the Internet Routing Table:            462
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:                                     106
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1235
    Number of instances of unregistered ASNs:                      1238
Number of 32-bit ASNs allocated by the RIRs:                      42802
Number of 32-bit ASNs visible in the Routing Table:               35351
Prefixes from 32-bit ASNs in the Routing Table:                  183919
Number of bogon 32-bit ASNs visible in the Routing Table:           203
Special use prefixes present in the Routing Table:                   38
Prefixes being announced from unallocated address space:            620
Number of addresses announced to Internet:                   3055305695
    Equivalent to 182 /8s, 28 /16s and 67 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      338209

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

Prefixes being announced by APNIC Region ASes:                   258152
    Total APNIC prefixes after maximum aggregation:               72557
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251492
    Unique aggregates announced from the APNIC address blocks:    98807
APNIC Region origin ASes present in the Internet Routing Table:   13789
    APNIC Prefixes per ASN:                                       18.24
APNIC Region origin ASes announcing only one prefix:               4063
APNIC Region transit ASes present in the Internet Routing Table:   1844
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                        105
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9073
Number of APNIC addresses announced to Internet:              774012320
    Equivalent to 46 /8s, 34 /16s and 125 /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:                    282037
    Total ARIN prefixes after maximum aggregation:               125397
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285306
    Unique aggregates announced from the ARIN address blocks:    131888
ARIN Region origin ASes present in the Internet Routing Table:    19128
    ARIN Prefixes per ASN:                                        14.92
ARIN Region origin ASes announcing only one prefix:                6936
ARIN Region transit ASes present in the Internet Routing Table:    1953
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:    4840
Number of ARIN addresses announced to Internet:              1278225216
    Equivalent to 76 /8s, 48 /16s and 43 /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:                    280996
    Total RIPE prefixes after maximum aggregation:               127243
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275143
    Unique aggregates announced from the RIPE address blocks:    160294
RIPE Region origin ASes present in the Internet Routing Table:    28524
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12052
RIPE Region transit ASes present in the Internet Routing Table:    3977
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11413
Number of RIPE addresses announced to Internet:               716398303
    Equivalent to 42 /8s, 179 /16s and 94 /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:                  127685
    Total LACNIC prefixes after maximum aggregation:              28720
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         126977
    Unique aggregates announced from the LACNIC address blocks:   49320
LACNIC Region origin ASes present in the Internet Routing Table:  11061
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2308
LACNIC Region transit ASes present in the Internet Routing Table:  2370
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8876
Number of LACNIC addresses announced to Internet:             178415648
    Equivalent to 10 /8s, 162 /16s and 104 /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:                  33922
    Total AfriNIC prefixes after maximum aggregation:              6028
    AfriNIC Deaggregation factor:                                  5.63
Prefixes being announced from the AfriNIC address blocks:         44488
    Unique aggregates announced from the AfriNIC address blocks:  12679
AfriNIC Region origin ASes present in the Internet Routing Table:  1808
    AfriNIC Prefixes per ASN:                                     24.61
AfriNIC Region origin ASes announcing only one prefix:              591
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                      106
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1149
Number of AfriNIC addresses announced to Internet:            107803648
    Equivalent to 6 /8s, 108 /16s and 244 /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        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5736        786     700  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5017       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4249        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4031       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3743       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3595       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3206        498     256  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2531        850     383  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        9081      10988    3274  AMAZON-02, US
 11492        4538        301     672  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3832       6667     638  COGENT-174, US
 22773        3651       3078     309  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3543       1319      66  SHAW, CA
   749        3163      54958    2415  DNIC-AS-00749, US
 16625        3083       1435    2326  AKAMAI-AS, US
   367        3017       3849    1415  DNIC-ASBLK-00306-00371, US
396982        2700       3597     395  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        8590       1174    2973  TTNET, TR
 12479        7386       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4147       3399     181  AKAMAI-ASN1, NL
  8551        3450        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3039        273    1504  M247, RO
 12389        3005       2295     920  ROSTELECOM-AS, RU
  8452        2538       1852      16  TE-AS TE-AS, EG
  5384        2462        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2377        365     586  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       11901       3380     607  UNINET, MX
 10620        3534        504     858  Telmex Colombia S.A., CO
 13999        2411        332     627  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1332       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  3816        1297        766     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1077        169     428  Techtel LMDS Comunicaciones Interactiva

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        1885        319      45  Telkom-Internet, ZA
 24863        1606        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         549       1861      34  IAM-AS, MA
 36914         534         82       3  KENET-AS, KE
 15399         514         53      43  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       11901       3380     607  UNINET, MX
  9808        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9081      10988    3274  AMAZON-02, US
 47331        8590       1174    2973  TTNET, TR
 12479        7386       1713     145  UNI2-AS, ES
  7545        5736        786     700  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5017       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4538        301     672  CABLEONE, US
 18403        4249        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        9614         9515  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7386         7241  UNI2-AS, ES
 16509        9081         5807  AMAZON-02, US
 47331        8590         5617  TTNET, TR
  7545        5736         5036  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5017         4942  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4249         4224  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 45899        4031         3980  VNPT-AS-VN VNPT Corp, VN

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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, 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
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, 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      /11:101     /12:300     
/13:580     /14:1211    /15:2146    /16:13682   /17:8578    /18:14782   
/19:25782   /20:45860   /21:54611   /22:114462  /23:107239  /24:589721  
/25:1133    /26:1087    /27:1479    /28:157     /29:236     /30:76      
/31:70      /32:665     

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

   ASN  No of nets  Total ann.  Description
 47331        7710        8590  TTNET, TR
 12479        6472        7386  UNI2-AS, ES
  8151        5917       11901  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3450        4538  CABLEONE, US
  6327        3355        3543  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2926        3450  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2695        3651  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2155        2498  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2265      2:1604      3:265       4:8         5:4626      6:137    
   7:6         8:1615      9:1        11:172      12:1507     13:364    
  14:2417     15:305      16:198      17:374      18:660      20:320    
  21:4        22:188      23:6538     24:2934     25:2        27:2672   
  29:19       31:2690     32:94       34:26       35:119      36:2019   
  37:4656     38:6508     39:878      40:143      41:4823     42:2078   
  43:2401     44:329      45:17507    46:4488     47:380      49:1850   
  50:1909     51:582      52:1624     54:392      55:934      56:5      
  57:135      58:1943     59:1206     60:1010     61:2726     62:2819   
  63:1944     64:5869     65:2407     66:5170     67:3109     68:1364   
  69:4208     70:1397     71:683      72:3031     74:2665     75:1612   
  76:635      77:2436     78:4030     79:3031     80:2135     81:2076   
  82:1598     83:1378     84:1595     85:3949     86:866      87:2269   
  88:2911     89:3981     90:627      91:7997     92:2144     93:2644   
  94:3725     95:5160     96:1340     97:318      98:1123     99:734    
 100:123     101:1322    102:3279    103:32759   104:4765    105:2001   
 106:984     107:2745    108:1154    109:4316    110:2186    111:3179   
 112:2129    113:1814    114:1709    115:2153    116:1941    117:2571   
 118:2761    119:2066    120:1850    121:1238    122:2768    123:2279   
 124:1666    125:2606    128:1555    129:1014    130:1094    131:2085   
 132:975     133:408     134:1793    135:350     136:1020    137:990    
 138:2840    139:1687    140:1303    141:1327    142:1550    143:1672   
 144:1011    145:351     146:2001    147:1629    148:2522    149:2385   
 150:900     151:1248    152:2003    153:594     154:5431    155:1403   
 156:2063    157:1378    158:1065    159:2210    160:2720    161:1622   
 162:3567    163:1681    164:1770    165:1916    166:1088    167:1763   
 168:4034    169:825     170:4922    171:973     172:3821    173:3008   
 174:994     175:1258    176:3924    177:5400    178:3587    179:2406   
 180:2606    181:3572    182:3398    183:2030    184:2289    185:20982  
 186:5073    187:4527    188:4345    189:4188    190:9519    191:1844   
 192:11051   193:9016    194:7536    195:5482    196:3647    197:3030   
 198:6084    199:6228    200:8270    201:6325    202:10951   203:10581  
 204:4617    205:3744    206:4475    207:3576    208:4198    209:4979   
 210:4736    211:2640    212:4410    213:3538    214:1108    215:71     
 216:6891    217:3027    218:1331    219:608     220:2041    221:986    
 222:855     223:2180   

End of report


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