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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Feb 16 21:39:57 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Sun 16 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              974077
    Prefixes after maximum aggregation (per Origin AS):          372456
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      474821
    Number of IPv4 prefixes with a valid ROA:                    531549
    Number of IPv4 prefixes with an invalid ROA:                    166
    Number of IPv4 prefixes with no ROA:                         442362
Total ASes present in the Internet Routing Table:                 76597
    Prefixes per ASN:                                             12.72
Origin-only ASes present in the Internet Routing Table:           65661
Origin ASes announcing only one prefix:                           26882
Transit ASes present in the Internet Routing Table:               10936
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:            346
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 37447)                              36
Prefixes from unregistered ASNs in the Routing Table:              1183
    Number of instances of unregistered ASNs:                      1202
Number of 32-bit ASNs allocated by the RIRs:                      46152
Number of 32-bit ASNs visible in the Routing Table:               37775
Prefixes from 32-bit ASNs in the Routing Table:                  198989
Number of bogon 32-bit ASNs visible in the Routing Table:            65
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            483
Number of addresses announced to Internet:                   3110687488
    Equivalent to 185 /8s, 105 /16s and 83 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      319047

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

Prefixes being announced by APNIC Region ASes:                   255389
    Total APNIC prefixes after maximum aggregation:               76292
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247057
    Unique aggregates announced from the APNIC address blocks:   102718
APNIC Region origin ASes present in the Internet Routing Table:   14474
    APNIC Prefixes per ASN:                                       17.07
APNIC Region origin ASes announcing only one prefix:               4431
APNIC Region transit ASes present in the Internet Routing Table:   1938
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9978
Number of APNIC addresses announced to Internet:              752381952
    Equivalent to 44 /8s, 216 /16s and 112 /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, 131072-155961
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:                    286800
    Total ARIN prefixes after maximum aggregation:               127370
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288451
    Unique aggregates announced from the ARIN address blocks:    135318
ARIN Region origin ASes present in the Internet Routing Table:    19215
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                7033
ARIN Region transit ASes present in the Internet Routing Table:    1991
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5151
Number of ARIN addresses announced to Internet:              1343261952
    Equivalent to 80 /8s, 16 /16s and 141 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    272077
    Total RIPE prefixes after maximum aggregation:               132122
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269303
    Unique aggregates announced from the RIPE address blocks:    172161
RIPE Region origin ASes present in the Internet Routing Table:    28832
    RIPE Prefixes per ASN:                                         9.34
RIPE Region origin ASes announcing only one prefix:               12044
RIPE Region transit ASes present in the Internet Routing Table:    3966
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12246
Number of RIPE addresses announced to Internet:               732522240
    Equivalent to 43 /8s, 169 /16s and 103 /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,
                        53/8,  57/8,  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:                  123642
    Total LACNIC prefixes after maximum aggregation:              29111
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         120942
    Unique aggregates announced from the LACNIC address blocks:   48956
LACNIC Region origin ASes present in the Internet Routing Table:  11196
    LACNIC Prefixes per ASN:                                      10.80
LACNIC Region origin ASes announcing only one prefix:              2680
LACNIC Region transit ASes present in the Internet Routing Table:  2484
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9133
Number of LACNIC addresses announced to Internet:             177863168
    Equivalent to 10 /8s, 153 /16s and 250 /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:                  34986
    Total AfriNIC prefixes after maximum aggregation:              6806
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         47840
    Unique aggregates announced from the AfriNIC address blocks:  15260
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     25.05
AfriNIC Region origin ASes announcing only one prefix:              694
AfriNIC Region transit ASes present in the Internet Routing Table:  370
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267
Number of AfriNIC addresses announced to Internet:            104397824
    Equivalent to 6 /8s, 56 /16s and 252 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4227        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3249       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2833        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2163        434     190  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12737      38949    3729  AMAZON-02, US
 11492        4702        312     561  CABLEONE, US
  7155        4170        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3587       3054     219  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3575       8760     901  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3036       1306    2202  AKAMAI-AS, US
396982        2923       3659     446  GOOGLE-CLOUD-PLATFORM, US
 30036        2597        362     256  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7763       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4009       3395     130  AKAMAI-ASN1, NL
  9009        3734        322    1920  M247, RO
 12389        2991       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2008        145    1485  CDNEXT, GB
  8452        1617       1852      14  TE-AS TE-AS, EG
 13188        1607        100      26  TRIOLAN, UA
 62240        1488         98     748  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11745       3229     592  UNINET, MX
 10620        3543        492     950  Telmex Colombia S.A., CO
 13999        2514        539     365  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1349       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1158        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
  6147        1111        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     372  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1684        601      30  RAYA-AS, EG
 24863        1647        389      16  LINKdotNET-AS, EG
 29571        1548         98     101  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1002        521      42  Vodafone-, EG
 20011         978        180     282  INTERNET-SOLUTIONS, ZA
 37069         843       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 15399         521         56      57  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12737      38949    3729  AMAZON-02, US
  8151       11745       3229     592  UNINET, MX
  9808       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7763       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4702        312     561  CABLEONE, US
 18403        4227        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4170        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11745        11153  UNINET, MX
  9808       10335        10247  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7763         7618  UNI2-AS, ES
  7545        6211         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4227         4202  FPT-AS-AP FPT Telecom Company, VN
 11492        4702         4141  CABLEONE, US
  7155        4170         4087  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917         3892  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
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

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:93      /12:307     
/13:586     /14:1224    /15:2163    /16:13933   /17:8274    /18:13697   
/19:24546   /20:43853   /21:51957   /22:112207  /23:100887  /24:600275  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6720        7763  UNI2-AS, ES
  8151        5954       11745  UNINET, MX
 11492        3556        4702  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3119        4170  VIASAT-SP-BACKBONE, US
 22773        2708        3587  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2273       12737  AMAZON-02, US
 30036        2255        2597  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2183        3543  Telmex Colombia S.A., CO

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

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

   1:2295      2:1520      3:570       4:10        5:4518      6:165    
   7:6         8:1553      9:1        11:172      12:1383     13:347    
  14:2503     15:348      16:273      17:360      18:917      20:450    
  21:4        22:188      23:7328     24:2732     25:2        27:2740   
  29:19       31:3140     32:37       34:78       35:200      36:2408   
  37:4601     38:8560     39:895      40:153      41:4159     42:1918   
  43:2531     44:350      45:18218    46:4987     47:291      49:1970   
  50:1881     51:589      52:1570     54:300      55:1083     56:9      
  57:242      58:2223     59:1173     60:1166     61:2782     62:2942   
  63:1825     64:5500     65:2139     66:4638     67:3029     68:1138   
  69:3982     70:1164     71:615      72:2862     74:2782     75:1638   
  76:611      77:2627     78:1873     79:1715     80:2209     81:2030   
  82:2462     83:1411     84:1791     85:3341     86:1021     87:2157   
  88:1311     89:4332     90:759      91:8316     92:2809     93:2853   
  94:3911     95:4218     96:1345     97:308      98:1004     99:738    
 100:71      101:1131    102:3698    103:32250   104:4665    105:816    
 106:992     107:2614    108:1195    109:4079    110:2220    111:3364   
 112:2046    113:1777    114:1937    115:2207    116:2043    117:2751   
 118:2853    119:1956    120:1872    121:1359    122:2751    123:2177   
 124:1565    125:2869    126:94      128:1594    129:960     130:1278   
 131:1854    132:794     133:450     134:1530    135:325     136:1316   
 137:1280    138:2902    139:1598    140:1554    141:1478    142:1830   
 143:1590    144:1051    145:469     146:2133    147:2065    148:2601   
 149:2841    150:1218    151:1675    152:2115    153:571     154:7811   
 155:1596    156:3516    157:1885    158:1246    159:2423    160:3552   
 161:1890    162:3690    163:1816    164:1688    165:2172    166:1356   
 167:1874    168:4084    169:798     170:5077    171:1005    172:4288   
 173:3242    174:923     175:1268    176:3600    177:4757    178:3745   
 179:2245    180:2560    181:3993    182:3370    183:2029    184:2272   
 185:21461   186:5097    187:4293    188:4217    189:4166    190:9609   
 191:1531    192:11175   193:9348    194:7736    195:5462    196:3269   
 197:3633    198:6176    199:8318    200:8152    201:6294    202:10375  
 203:10631   204:4555    205:3676    206:4622    207:3548    208:4181   
 209:5194    210:4569    211:2529    212:4517    213:3747    214:1053   
 215:42      216:6580    217:3109    218:1334    219:372     220:2104   
 221:1055    222:717     223:2309   

End of report


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